Home / 409,793,729.04-614,690,698.32-114,732,318.98

Finding the Fourth Proportional to 409,793,729.04, 614,690,698.32 and 114,732,318.98

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Solution

The fourth proportional to 409,793,729.04, 614,690,698.32 and 114,732,318.98 is: 172,098,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,793,729.04 : 614,690,698.32 = 114,732,318.98 : x
  2. Step 2: Convert to fraction form
    409,793,729.04/614,690,698.32 = 114,732,318.98/x
  3. Step 3: Cross multiply
    409,793,729.04x = 614,690,698.32 × 114,732,318.98
  4. Step 4: Simplify right side
    409,793,729.04x = 70,524,889,275,225,920
  5. Step 5: Solve for x
    x = 70,524,889,275,225,920/409,793,729.04
  6. Step 6: Final answer
    x = 172,098,507.80

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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.