Home / 429,443,143.91-592,639,374.18-238,722,070.49

Finding the Fourth Proportional to 429,443,143.91, 592,639,374.18 and 238,722,070.49

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Solution

The fourth proportional to 429,443,143.91, 592,639,374.18 and 238,722,070.49 is: 329,440,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,443,143.91 : 592,639,374.18 = 238,722,070.49 : x
  2. Step 2: Convert to fraction form
    429,443,143.91/592,639,374.18 = 238,722,070.49/x
  3. Step 3: Cross multiply
    429,443,143.91x = 592,639,374.18 × 238,722,070.49
  4. Step 4: Simplify right side
    429,443,143.91x = 141,476,098,455,184,240
  5. Step 5: Solve for x
    x = 141,476,098,455,184,240/429,443,143.91
  6. Step 6: Final answer
    x = 329,440,812.98

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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.