Home / 697,943,710.20-1,046,019,770.10-425,024,772.60

Finding the Fourth Proportional to 697,943,710.20, 1,046,019,770.10 and 425,024,772.60

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Solution

The fourth proportional to 697,943,710.20, 1,046,019,770.10 and 425,024,772.60 is: 636,991,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,943,710.20 : 1,046,019,770.10 = 425,024,772.60 : x
  2. Step 2: Convert to fraction form
    697,943,710.20/1,046,019,770.10 = 425,024,772.60/x
  3. Step 3: Cross multiply
    697,943,710.20x = 1,046,019,770.10 × 425,024,772.60
  4. Step 4: Simplify right side
    697,943,710.20x = 444,584,314,921,856,832
  5. Step 5: Solve for x
    x = 444,584,314,921,856,832/697,943,710.20
  6. Step 6: Final answer
    x = 636,991,649.08

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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.