Home / 980,192,569.20-1,470,288,853.80-974,453,006.40

Finding the Fourth Proportional to 980,192,569.20, 1,470,288,853.80 and 974,453,006.40

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Solution

The fourth proportional to 980,192,569.20, 1,470,288,853.80 and 974,453,006.40 is: 1,461,679,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,192,569.20 : 1,470,288,853.80 = 974,453,006.40 : x
  2. Step 2: Convert to fraction form
    980,192,569.20/1,470,288,853.80 = 974,453,006.40/x
  3. Step 3: Cross multiply
    980,192,569.20x = 1,470,288,853.80 × 974,453,006.40
  4. Step 4: Simplify right side
    980,192,569.20x = 1,432,727,393,861,819,904
  5. Step 5: Solve for x
    x = 1,432,727,393,861,819,904/980,192,569.20
  6. Step 6: Final answer
    x = 1,461,679,509.60

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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.