Home / 798,826,332.80-1,198,239,499.20-653,707,510.40

Finding the Fourth Proportional to 798,826,332.80, 1,198,239,499.20 and 653,707,510.40

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Solution

The fourth proportional to 798,826,332.80, 1,198,239,499.20 and 653,707,510.40 is: 980,561,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,826,332.80 : 1,198,239,499.20 = 653,707,510.40 : x
  2. Step 2: Convert to fraction form
    798,826,332.80/1,198,239,499.20 = 653,707,510.40/x
  3. Step 3: Cross multiply
    798,826,332.80x = 1,198,239,499.20 × 653,707,510.40
  4. Step 4: Simplify right side
    798,826,332.80x = 783,298,159,884,974,848
  5. Step 5: Solve for x
    x = 783,298,159,884,974,848/798,826,332.80
  6. Step 6: Final answer
    x = 980,561,265.60

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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.