Home / 554,486,745.60-831,730,118.40-145,584,230.40

Finding the Fourth Proportional to 554,486,745.60, 831,730,118.40 and 145,584,230.40

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Solution

The fourth proportional to 554,486,745.60, 831,730,118.40 and 145,584,230.40 is: 218,376,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,486,745.60 : 831,730,118.40 = 145,584,230.40 : x
  2. Step 2: Convert to fraction form
    554,486,745.60/831,730,118.40 = 145,584,230.40/x
  3. Step 3: Cross multiply
    554,486,745.60x = 831,730,118.40 × 145,584,230.40
  4. Step 4: Simplify right side
    554,486,745.60x = 121,086,789,187,764,880
  5. Step 5: Solve for x
    x = 121,086,789,187,764,880/554,486,745.60
  6. Step 6: Final answer
    x = 218,376,345.60

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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.