Home / 649,539,384.40-974,309,076.60-304,527,887.20

Finding the Fourth Proportional to 649,539,384.40, 974,309,076.60 and 304,527,887.20

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Solution

The fourth proportional to 649,539,384.40, 974,309,076.60 and 304,527,887.20 is: 456,791,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,539,384.40 : 974,309,076.60 = 304,527,887.20 : x
  2. Step 2: Convert to fraction form
    649,539,384.40/974,309,076.60 = 304,527,887.20/x
  3. Step 3: Cross multiply
    649,539,384.40x = 974,309,076.60 × 304,527,887.20
  4. Step 4: Simplify right side
    649,539,384.40x = 296,704,284,576,780,928
  5. Step 5: Solve for x
    x = 296,704,284,576,780,928/649,539,384.40
  6. Step 6: Final answer
    x = 456,791,830.80

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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.