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Finding the Fourth Proportional to 486,995,339.86, 730,055,582.68 and 237,859,639.52

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Solution

The fourth proportional to 486,995,339.86, 730,055,582.68 and 237,859,639.52 is: 356,575,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,995,339.86 : 730,055,582.68 = 237,859,639.52 : x
  2. Step 2: Convert to fraction form
    486,995,339.86/730,055,582.68 = 237,859,639.52/x
  3. Step 3: Cross multiply
    486,995,339.86x = 730,055,582.68 × 237,859,639.52
  4. Step 4: Simplify right side
    486,995,339.86x = 173,650,757,725,828,352
  5. Step 5: Solve for x
    x = 173,650,757,725,828,352/486,995,339.86
  6. Step 6: Final answer
    x = 356,575,809.90

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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.