Home / 391,026,825.50-586,615,769.13-148,670,885.66

Finding the Fourth Proportional to 391,026,825.50, 586,615,769.13 and 148,670,885.66

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Solution

The fourth proportional to 391,026,825.50, 586,615,769.13 and 148,670,885.66 is: 223,035,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,026,825.50 : 586,615,769.13 = 148,670,885.66 : x
  2. Step 2: Convert to fraction form
    391,026,825.50/586,615,769.13 = 148,670,885.66/x
  3. Step 3: Cross multiply
    391,026,825.50x = 586,615,769.13 × 148,670,885.66
  4. Step 4: Simplify right side
    391,026,825.50x = 87,212,685,938,679,184
  5. Step 5: Solve for x
    x = 87,212,685,938,679,184/391,026,825.50
  6. Step 6: Final answer
    x = 223,035,045.81

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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.