Home / 499,921,765.60-749,882,648.40-176,805,637.60

Finding the Fourth Proportional to 499,921,765.60, 749,882,648.40 and 176,805,637.60

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Solution

The fourth proportional to 499,921,765.60, 749,882,648.40 and 176,805,637.60 is: 265,208,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,921,765.60 : 749,882,648.40 = 176,805,637.60 : x
  2. Step 2: Convert to fraction form
    499,921,765.60/749,882,648.40 = 176,805,637.60/x
  3. Step 3: Cross multiply
    499,921,765.60x = 749,882,648.40 × 176,805,637.60
  4. Step 4: Simplify right side
    499,921,765.60x = 132,583,479,775,538,608
  5. Step 5: Solve for x
    x = 132,583,479,775,538,608/499,921,765.60
  6. Step 6: Final answer
    x = 265,208,456.40

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1.5x scale

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.