Home / 522,421,235.72-783,745,227.72-158,906,143.88

Finding the Fourth Proportional to 522,421,235.72, 783,745,227.72 and 158,906,143.88

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Solution

The fourth proportional to 522,421,235.72, 783,745,227.72 and 158,906,143.88 is: 238,393,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,421,235.72 : 783,745,227.72 = 158,906,143.88 : x
  2. Step 2: Convert to fraction form
    522,421,235.72/783,745,227.72 = 158,906,143.88/x
  3. Step 3: Cross multiply
    522,421,235.72x = 783,745,227.72 × 158,906,143.88
  4. Step 4: Simplify right side
    522,421,235.72x = 124,541,931,917,418,960
  5. Step 5: Solve for x
    x = 124,541,931,917,418,960/522,421,235.72
  6. Step 6: Final answer
    x = 238,393,701.10

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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.