Home / 472,392,684.20-708,589,026.30-357,601,428.20

Finding the Fourth Proportional to 472,392,684.20, 708,589,026.30 and 357,601,428.20

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Solution

The fourth proportional to 472,392,684.20, 708,589,026.30 and 357,601,428.20 is: 536,402,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,684.20 : 708,589,026.30 = 357,601,428.20 : x
  2. Step 2: Convert to fraction form
    472,392,684.20/708,589,026.30 = 357,601,428.20/x
  3. Step 3: Cross multiply
    472,392,684.20x = 708,589,026.30 × 357,601,428.20
  4. Step 4: Simplify right side
    472,392,684.20x = 253,392,447,811,727,328
  5. Step 5: Solve for x
    x = 253,392,447,811,727,328/472,392,684.20
  6. Step 6: Final answer
    x = 536,402,142.30

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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.