Home / 315,473,937.20-473,210,905.80-261,726,225.20

Finding the Fourth Proportional to 315,473,937.20, 473,210,905.80 and 261,726,225.20

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Solution

The fourth proportional to 315,473,937.20, 473,210,905.80 and 261,726,225.20 is: 392,589,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,473,937.20 : 473,210,905.80 = 261,726,225.20 : x
  2. Step 2: Convert to fraction form
    315,473,937.20/473,210,905.80 = 261,726,225.20/x
  3. Step 3: Cross multiply
    315,473,937.20x = 473,210,905.80 × 261,726,225.20
  4. Step 4: Simplify right side
    315,473,937.20x = 123,851,704,098,506,784
  5. Step 5: Solve for x
    x = 123,851,704,098,506,784/315,473,937.20
  6. Step 6: Final answer
    x = 392,589,337.80

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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.