Home / 472,392,711.10-708,589,066.65-357,601,455.10

Finding the Fourth Proportional to 472,392,711.10, 708,589,066.65 and 357,601,455.10

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Solution

The fourth proportional to 472,392,711.10, 708,589,066.65 and 357,601,455.10 is: 536,402,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,711.10 : 708,589,066.65 = 357,601,455.10 : x
  2. Step 2: Convert to fraction form
    472,392,711.10/708,589,066.65 = 357,601,455.10/x
  3. Step 3: Cross multiply
    472,392,711.10x = 708,589,066.65 × 357,601,455.10
  4. Step 4: Simplify right side
    472,392,711.10x = 253,392,481,301,990,880
  5. Step 5: Solve for x
    x = 253,392,481,301,990,880/472,392,711.10
  6. Step 6: Final answer
    x = 536,402,182.65

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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.