Home / 389,704,318.92-537,791,915.36-233,071,400.76

Finding the Fourth Proportional to 389,704,318.92, 537,791,915.36 and 233,071,400.76

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Solution

The fourth proportional to 389,704,318.92, 537,791,915.36 and 233,071,400.76 is: 321,638,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,704,318.92 : 537,791,915.36 = 233,071,400.76 : x
  2. Step 2: Convert to fraction form
    389,704,318.92/537,791,915.36 = 233,071,400.76/x
  3. Step 3: Cross multiply
    389,704,318.92x = 537,791,915.36 × 233,071,400.76
  4. Step 4: Simplify right side
    389,704,318.92x = 125,343,915,030,358,560
  5. Step 5: Solve for x
    x = 125,343,915,030,358,560/389,704,318.92
  6. Step 6: Final answer
    x = 321,638,506.29

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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.