Home / 1,000,392,470.66-1,380,549,715.38-554,363,284.30

Finding the Fourth Proportional to 1,000,392,470.66, 1,380,549,715.38 and 554,363,284.30

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Solution

The fourth proportional to 1,000,392,470.66, 1,380,549,715.38 and 554,363,284.30 is: 765,025,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,392,470.66 : 1,380,549,715.38 = 554,363,284.30 : x
  2. Step 2: Convert to fraction form
    1,000,392,470.66/1,380,549,715.38 = 554,363,284.30/x
  3. Step 3: Cross multiply
    1,000,392,470.66x = 1,380,549,715.38 × 554,363,284.30
  4. Step 4: Simplify right side
    1,000,392,470.66x = 765,326,074,354,035,712
  5. Step 5: Solve for x
    x = 765,326,074,354,035,712/1,000,392,470.66
  6. Step 6: Final answer
    x = 765,025,824.16

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Double scale
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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.