Home / 389,704,305.92-537,791,897.42-233,071,387.76

Finding the Fourth Proportional to 389,704,305.92, 537,791,897.42 and 233,071,387.76

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Solution

The fourth proportional to 389,704,305.92, 537,791,897.42 and 233,071,387.76 is: 321,638,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,704,305.92 : 537,791,897.42 = 233,071,387.76 : x
  2. Step 2: Convert to fraction form
    389,704,305.92/537,791,897.42 = 233,071,387.76/x
  3. Step 3: Cross multiply
    389,704,305.92x = 537,791,897.42 × 233,071,387.76
  4. Step 4: Simplify right side
    389,704,305.92x = 125,343,903,857,762,944
  5. Step 5: Solve for x
    x = 125,343,903,857,762,944/389,704,305.92
  6. Step 6: Final answer
    x = 321,638,488.35

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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.