Home / 452,708,998.20-679,063,497.30-161,585,618.40

Finding the Fourth Proportional to 452,708,998.20, 679,063,497.30 and 161,585,618.40

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Solution

The fourth proportional to 452,708,998.20, 679,063,497.30 and 161,585,618.40 is: 242,378,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,708,998.20 : 679,063,497.30 = 161,585,618.40 : x
  2. Step 2: Convert to fraction form
    452,708,998.20/679,063,497.30 = 161,585,618.40/x
  3. Step 3: Cross multiply
    452,708,998.20x = 679,063,497.30 × 161,585,618.40
  4. Step 4: Simplify right side
    452,708,998.20x = 109,726,895,144,087,232
  5. Step 5: Solve for x
    x = 109,726,895,144,087,232/452,708,998.20
  6. Step 6: Final answer
    x = 242,378,427.60

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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.