Home / 389,704,304.92-537,791,896.04-233,071,386.76

Finding the Fourth Proportional to 389,704,304.92, 537,791,896.04 and 233,071,386.76

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Solution

The fourth proportional to 389,704,304.92, 537,791,896.04 and 233,071,386.76 is: 321,638,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,704,304.92 : 537,791,896.04 = 233,071,386.76 : x
  2. Step 2: Convert to fraction form
    389,704,304.92/537,791,896.04 = 233,071,386.76/x
  3. Step 3: Cross multiply
    389,704,304.92x = 537,791,896.04 × 233,071,386.76
  4. Step 4: Simplify right side
    389,704,304.92x = 125,343,902,998,332,544
  5. Step 5: Solve for x
    x = 125,343,902,998,332,544/389,704,304.92
  6. Step 6: Final answer
    x = 321,638,486.97

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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.