Home / 871,344,158.40-1,307,016,237.60-462,189,700.80

Finding the Fourth Proportional to 871,344,158.40, 1,307,016,237.60 and 462,189,700.80

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Solution

The fourth proportional to 871,344,158.40, 1,307,016,237.60 and 462,189,700.80 is: 693,284,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,344,158.40 : 1,307,016,237.60 = 462,189,700.80 : x
  2. Step 2: Convert to fraction form
    871,344,158.40/1,307,016,237.60 = 462,189,700.80/x
  3. Step 3: Cross multiply
    871,344,158.40x = 1,307,016,237.60 × 462,189,700.80
  4. Step 4: Simplify right side
    871,344,158.40x = 604,089,443,797,085,696
  5. Step 5: Solve for x
    x = 604,089,443,797,085,696/871,344,158.40
  6. Step 6: Final answer
    x = 693,284,551.20

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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.