Home / 708,590,107.20-1,062,885,160.80-663,240,475.20

Finding the Fourth Proportional to 708,590,107.20, 1,062,885,160.80 and 663,240,475.20

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Solution

The fourth proportional to 708,590,107.20, 1,062,885,160.80 and 663,240,475.20 is: 994,860,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,107.20 : 1,062,885,160.80 = 663,240,475.20 : x
  2. Step 2: Convert to fraction form
    708,590,107.20/1,062,885,160.80 = 663,240,475.20/x
  3. Step 3: Cross multiply
    708,590,107.20x = 1,062,885,160.80 × 663,240,475.20
  4. Step 4: Simplify right side
    708,590,107.20x = 704,948,459,132,020,480
  5. Step 5: Solve for x
    x = 704,948,459,132,020,480/708,590,107.20
  6. Step 6: Final answer
    x = 994,860,712.80

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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.