Home / 447,103,765.29-670,655,490.09-119,570,765.74

Finding the Fourth Proportional to 447,103,765.29, 670,655,490.09 and 119,570,765.74

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Solution

The fourth proportional to 447,103,765.29, 670,655,490.09 and 119,570,765.74 is: 179,356,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,103,765.29 : 670,655,490.09 = 119,570,765.74 : x
  2. Step 2: Convert to fraction form
    447,103,765.29/670,655,490.09 = 119,570,765.74/x
  3. Step 3: Cross multiply
    447,103,765.29x = 670,655,490.09 × 119,570,765.74
  4. Step 4: Simplify right side
    447,103,765.29x = 80,190,790,497,796,288
  5. Step 5: Solve for x
    x = 80,190,790,497,796,288/447,103,765.29
  6. Step 6: Final answer
    x = 179,356,106.40

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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.