Home / 472,392,478.10-708,588,717.15-144,865,389.80

Finding the Fourth Proportional to 472,392,478.10, 708,588,717.15 and 144,865,389.80

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Solution

The fourth proportional to 472,392,478.10, 708,588,717.15 and 144,865,389.80 is: 217,298,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,478.10 : 708,588,717.15 = 144,865,389.80 : x
  2. Step 2: Convert to fraction form
    472,392,478.10/708,588,717.15 = 144,865,389.80/x
  3. Step 3: Cross multiply
    472,392,478.10x = 708,588,717.15 × 144,865,389.80
  4. Step 4: Simplify right side
    472,392,478.10x = 102,649,980,717,816,704
  5. Step 5: Solve for x
    x = 102,649,980,717,816,704/472,392,478.10
  6. Step 6: Final answer
    x = 217,298,084.70

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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.