Home / 559,584,029.80-839,376,044.70-442,682,756.20

Finding the Fourth Proportional to 559,584,029.80, 839,376,044.70 and 442,682,756.20

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Solution

The fourth proportional to 559,584,029.80, 839,376,044.70 and 442,682,756.20 is: 664,024,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,584,029.80 : 839,376,044.70 = 442,682,756.20 : x
  2. Step 2: Convert to fraction form
    559,584,029.80/839,376,044.70 = 442,682,756.20/x
  3. Step 3: Cross multiply
    559,584,029.80x = 839,376,044.70 × 442,682,756.20
  4. Step 4: Simplify right side
    559,584,029.80x = 371,577,300,956,050,432
  5. Step 5: Solve for x
    x = 371,577,300,956,050,432/559,584,029.80
  6. Step 6: Final answer
    x = 664,024,134.30

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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.