Home / 472,220,810.20-708,331,215.30-242,638,298.20

Finding the Fourth Proportional to 472,220,810.20, 708,331,215.30 and 242,638,298.20

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Solution

The fourth proportional to 472,220,810.20, 708,331,215.30 and 242,638,298.20 is: 363,957,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,220,810.20 : 708,331,215.30 = 242,638,298.20 : x
  2. Step 2: Convert to fraction form
    472,220,810.20/708,331,215.30 = 242,638,298.20/x
  3. Step 3: Cross multiply
    472,220,810.20x = 708,331,215.30 × 242,638,298.20
  4. Step 4: Simplify right side
    472,220,810.20x = 171,868,280,642,329,792
  5. Step 5: Solve for x
    x = 171,868,280,642,329,792/472,220,810.20
  6. Step 6: Final answer
    x = 363,957,447.30

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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.