Home / 373,479,411.40-560,317,094.70-143,456,000.20

Finding the Fourth Proportional to 373,479,411.40, 560,317,094.70 and 143,456,000.20

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Solution

The fourth proportional to 373,479,411.40, 560,317,094.70 and 143,456,000.20 is: 215,221,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,479,411.40 : 560,317,094.70 = 143,456,000.20 : x
  2. Step 2: Convert to fraction form
    373,479,411.40/560,317,094.70 = 143,456,000.20/x
  3. Step 3: Cross multiply
    373,479,411.40x = 560,317,094.70 × 143,456,000.20
  4. Step 4: Simplify right side
    373,479,411.40x = 80,380,849,249,346,624
  5. Step 5: Solve for x
    x = 80,380,849,249,346,624/373,479,411.40
  6. Step 6: Final answer
    x = 215,221,634.17

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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.