Home / 870,838,630.59-1,201,723,324.08-532,313,862.87

Finding the Fourth Proportional to 870,838,630.59, 1,201,723,324.08 and 532,313,862.87

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Solution

The fourth proportional to 870,838,630.59, 1,201,723,324.08 and 532,313,862.87 is: 734,572,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,838,630.59 : 1,201,723,324.08 = 532,313,862.87 : x
  2. Step 2: Convert to fraction form
    870,838,630.59/1,201,723,324.08 = 532,313,862.87/x
  3. Step 3: Cross multiply
    870,838,630.59x = 1,201,723,324.08 × 532,313,862.87
  4. Step 4: Simplify right side
    870,838,630.59x = 639,693,984,742,001,664
  5. Step 5: Solve for x
    x = 639,693,984,742,001,664/870,838,630.59
  6. Step 6: Final answer
    x = 734,572,356.20

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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.