Home / 1,154,736,231.40-1,732,104,347.10-1,131,777,980.20

Finding the Fourth Proportional to 1,154,736,231.40, 1,732,104,347.10 and 1,131,777,980.20

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Solution

The fourth proportional to 1,154,736,231.40, 1,732,104,347.10 and 1,131,777,980.20 is: 1,697,666,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,736,231.40 : 1,732,104,347.10 = 1,131,777,980.20 : x
  2. Step 2: Convert to fraction form
    1,154,736,231.40/1,732,104,347.10 = 1,131,777,980.20/x
  3. Step 3: Cross multiply
    1,154,736,231.40x = 1,732,104,347.10 × 1,131,777,980.20
  4. Step 4: Simplify right side
    1,154,736,231.40x = 1,960,357,559,456,477,696
  5. Step 5: Solve for x
    x = 1,960,357,559,456,477,696/1,154,736,231.40
  6. Step 6: Final answer
    x = 1,697,666,970.30

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Half scale
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Double scale
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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.