Home / 980,192,497.20-1,470,288,745.80-974,452,934.40

Finding the Fourth Proportional to 980,192,497.20, 1,470,288,745.80 and 974,452,934.40

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Solution

The fourth proportional to 980,192,497.20, 1,470,288,745.80 and 974,452,934.40 is: 1,461,679,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,192,497.20 : 1,470,288,745.80 = 974,452,934.40 : x
  2. Step 2: Convert to fraction form
    980,192,497.20/1,470,288,745.80 = 974,452,934.40/x
  3. Step 3: Cross multiply
    980,192,497.20x = 1,470,288,745.80 × 974,452,934.40
  4. Step 4: Simplify right side
    980,192,497.20x = 1,432,727,182,760,105,472
  5. Step 5: Solve for x
    x = 1,432,727,182,760,105,472/980,192,497.20
  6. Step 6: Final answer
    x = 1,461,679,401.60

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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.