Home / 879,119,421.60-1,318,679,132.40-361,921,040.40

Finding the Fourth Proportional to 879,119,421.60, 1,318,679,132.40 and 361,921,040.40

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Solution

The fourth proportional to 879,119,421.60, 1,318,679,132.40 and 361,921,040.40 is: 542,881,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,119,421.60 : 1,318,679,132.40 = 361,921,040.40 : x
  2. Step 2: Convert to fraction form
    879,119,421.60/1,318,679,132.40 = 361,921,040.40/x
  3. Step 3: Cross multiply
    879,119,421.60x = 1,318,679,132.40 × 361,921,040.40
  4. Step 4: Simplify right side
    879,119,421.60x = 477,257,723,551,977,344
  5. Step 5: Solve for x
    x = 477,257,723,551,977,344/879,119,421.60
  6. Step 6: Final answer
    x = 542,881,560.60

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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.