Home / 1,704,221,707.40-2,556,332,561.10-877,724,664.20

Finding the Fourth Proportional to 1,704,221,707.40, 2,556,332,561.10 and 877,724,664.20

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Solution

The fourth proportional to 1,704,221,707.40, 2,556,332,561.10 and 877,724,664.20 is: 1,316,586,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,221,707.40 : 2,556,332,561.10 = 877,724,664.20 : x
  2. Step 2: Convert to fraction form
    1,704,221,707.40/2,556,332,561.10 = 877,724,664.20/x
  3. Step 3: Cross multiply
    1,704,221,707.40x = 2,556,332,561.10 × 877,724,664.20
  4. Step 4: Simplify right side
    1,704,221,707.40x = 2,243,756,138,775,023,616
  5. Step 5: Solve for x
    x = 2,243,756,138,775,023,616/1,704,221,707.40
  6. Step 6: Final answer
    x = 1,316,586,996.30

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Half scale
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Double scale
Find fourth proportional to 1,704,221,708.40, 2,556,332,562.60 and 877,724,665.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.