Home / 391,026,951.36-586,615,957.20-148,671,011.52

Finding the Fourth Proportional to 391,026,951.36, 586,615,957.20 and 148,671,011.52

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Solution

The fourth proportional to 391,026,951.36, 586,615,957.20 and 148,671,011.52 is: 223,035,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,026,951.36 : 586,615,957.20 = 148,671,011.52 : x
  2. Step 2: Convert to fraction form
    391,026,951.36/586,615,957.20 = 148,671,011.52/x
  3. Step 3: Cross multiply
    391,026,951.36x = 586,615,957.20 × 148,671,011.52
  4. Step 4: Simplify right side
    391,026,951.36x = 87,212,787,730,697,040
  5. Step 5: Solve for x
    x = 87,212,787,730,697,040/391,026,951.36
  6. Step 6: Final answer
    x = 223,035,234.34

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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.