Home / 980,192,515.20-1,470,288,772.80-974,452,952.40

Finding the Fourth Proportional to 980,192,515.20, 1,470,288,772.80 and 974,452,952.40

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Solution

The fourth proportional to 980,192,515.20, 1,470,288,772.80 and 974,452,952.40 is: 1,461,679,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,192,515.20 : 1,470,288,772.80 = 974,452,952.40 : x
  2. Step 2: Convert to fraction form
    980,192,515.20/1,470,288,772.80 = 974,452,952.40/x
  3. Step 3: Cross multiply
    980,192,515.20x = 1,470,288,772.80 × 974,452,952.40
  4. Step 4: Simplify right side
    980,192,515.20x = 1,432,727,235,535,532,800
  5. Step 5: Solve for x
    x = 1,432,727,235,535,532,800/980,192,515.20
  6. Step 6: Final answer
    x = 1,461,679,428.60

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1.5x scale

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.