Home / 724,566,089.20-999,646,141.08-473,817,268.72

Finding the Fourth Proportional to 724,566,089.20, 999,646,141.08 and 473,817,268.72

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Solution

The fourth proportional to 724,566,089.20, 999,646,141.08 and 473,817,268.72 is: 653,701,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,566,089.20 : 999,646,141.08 = 473,817,268.72 : x
  2. Step 2: Convert to fraction form
    724,566,089.20/999,646,141.08 = 473,817,268.72/x
  3. Step 3: Cross multiply
    724,566,089.20x = 999,646,141.08 × 473,817,268.72
  4. Step 4: Simplify right side
    724,566,089.20x = 473,649,604,253,013,440
  5. Step 5: Solve for x
    x = 473,649,604,253,013,440/724,566,089.20
  6. Step 6: Final answer
    x = 653,701,037.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.