Home / 655,781,848.40-984,050,686.20-247,131,275.60

Finding the Fourth Proportional to 655,781,848.40, 984,050,686.20 and 247,131,275.60

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Solution

The fourth proportional to 655,781,848.40, 984,050,686.20 and 247,131,275.60 is: 370,839,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,781,848.40 : 984,050,686.20 = 247,131,275.60 : x
  2. Step 2: Convert to fraction form
    655,781,848.40/984,050,686.20 = 247,131,275.60/x
  3. Step 3: Cross multiply
    655,781,848.40x = 984,050,686.20 × 247,131,275.60
  4. Step 4: Simplify right side
    655,781,848.40x = 243,189,701,335,661,312
  5. Step 5: Solve for x
    x = 243,189,701,335,661,312/655,781,848.40
  6. Step 6: Final answer
    x = 370,839,330.07

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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.