Home / 624,148,293.60-861,903,622.80-467,242,999.20

Finding the Fourth Proportional to 624,148,293.60, 861,903,622.80 and 467,242,999.20

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Solution

The fourth proportional to 624,148,293.60, 861,903,622.80 and 467,242,999.20 is: 645,228,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,148,293.60 : 861,903,622.80 = 467,242,999.20 : x
  2. Step 2: Convert to fraction form
    624,148,293.60/861,903,622.80 = 467,242,999.20/x
  3. Step 3: Cross multiply
    624,148,293.60x = 861,903,622.80 × 467,242,999.20
  4. Step 4: Simplify right side
    624,148,293.60x = 402,718,433,738,417,472
  5. Step 5: Solve for x
    x = 402,718,433,738,417,472/624,148,293.60
  6. Step 6: Final answer
    x = 645,228,766.73

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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.