Home / 746,496,515.80-1,119,744,773.70-687,374,032.60

Finding the Fourth Proportional to 746,496,515.80, 1,119,744,773.70 and 687,374,032.60

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Solution

The fourth proportional to 746,496,515.80, 1,119,744,773.70 and 687,374,032.60 is: 1,031,061,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,496,515.80 : 1,119,744,773.70 = 687,374,032.60 : x
  2. Step 2: Convert to fraction form
    746,496,515.80/1,119,744,773.70 = 687,374,032.60/x
  3. Step 3: Cross multiply
    746,496,515.80x = 1,119,744,773.70 × 687,374,032.60
  4. Step 4: Simplify right side
    746,496,515.80x = 769,683,480,580,943,488
  5. Step 5: Solve for x
    x = 769,683,480,580,943,488/746,496,515.80
  6. Step 6: Final answer
    x = 1,031,061,048.90

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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.