Home / 1,240,944,131.38-1,712,502,483.59-684,036,478.66

Finding the Fourth Proportional to 1,240,944,131.38, 1,712,502,483.59 and 684,036,478.66

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Solution

The fourth proportional to 1,240,944,131.38, 1,712,502,483.59 and 684,036,478.66 is: 943,970,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,944,131.38 : 1,712,502,483.59 = 684,036,478.66 : x
  2. Step 2: Convert to fraction form
    1,240,944,131.38/1,712,502,483.59 = 684,036,478.66/x
  3. Step 3: Cross multiply
    1,240,944,131.38x = 1,712,502,483.59 × 684,036,478.66
  4. Step 4: Simplify right side
    1,240,944,131.38x = 1,171,414,168,571,407,872
  5. Step 5: Solve for x
    x = 1,171,414,168,571,407,872/1,240,944,131.38
  6. Step 6: Final answer
    x = 943,970,110.30

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Half scale
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Double scale
Find fourth proportional to 1,240,944,132.38, 1,712,502,484.97 and 684,036,479.66
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.