Home / 641,178,294.60-884,827,749.90-347,822,862.60

Finding the Fourth Proportional to 641,178,294.60, 884,827,749.90 and 347,822,862.60

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Solution

The fourth proportional to 641,178,294.60, 884,827,749.90 and 347,822,862.60 is: 479,996,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,178,294.60 : 884,827,749.90 = 347,822,862.60 : x
  2. Step 2: Convert to fraction form
    641,178,294.60/884,827,749.90 = 347,822,862.60/x
  3. Step 3: Cross multiply
    641,178,294.60x = 884,827,749.90 × 347,822,862.60
  4. Step 4: Simplify right side
    641,178,294.60x = 307,763,320,882,757,248
  5. Step 5: Solve for x
    x = 307,763,320,882,757,248/641,178,294.60
  6. Step 6: Final answer
    x = 479,996,474.42

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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.