Home / 402,862,648.80-604,293,973.20-396,144,184.80

Finding the Fourth Proportional to 402,862,648.80, 604,293,973.20 and 396,144,184.80

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Solution

The fourth proportional to 402,862,648.80, 604,293,973.20 and 396,144,184.80 is: 594,216,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,862,648.80 : 604,293,973.20 = 396,144,184.80 : x
  2. Step 2: Convert to fraction form
    402,862,648.80/604,293,973.20 = 396,144,184.80/x
  3. Step 3: Cross multiply
    402,862,648.80x = 604,293,973.20 × 396,144,184.80
  4. Step 4: Simplify right side
    402,862,648.80x = 239,387,543,392,867,072
  5. Step 5: Solve for x
    x = 239,387,543,392,867,072/402,862,648.80
  6. Step 6: Final answer
    x = 594,216,277.20

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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.