Home / 708,102,045.20-1,063,109,661.60-449,821,719.20

Finding the Fourth Proportional to 708,102,045.20, 1,063,109,661.60 and 449,821,719.20

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Solution

The fourth proportional to 708,102,045.20, 1,063,109,661.60 and 449,821,719.20 is: 675,340,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,102,045.20 : 1,063,109,661.60 = 449,821,719.20 : x
  2. Step 2: Convert to fraction form
    708,102,045.20/1,063,109,661.60 = 449,821,719.20/x
  3. Step 3: Cross multiply
    708,102,045.20x = 1,063,109,661.60 × 449,821,719.20
  4. Step 4: Simplify right side
    708,102,045.20x = 478,209,815,679,042,240
  5. Step 5: Solve for x
    x = 478,209,815,679,042,240/708,102,045.20
  6. Step 6: Final answer
    x = 675,340,254.87

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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.