Home / 921,206,360.40-1,271,262,934.12-524,729,199.76

Finding the Fourth Proportional to 921,206,360.40, 1,271,262,934.12 and 524,729,199.76

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Solution

The fourth proportional to 921,206,360.40, 1,271,262,934.12 and 524,729,199.76 is: 724,125,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,206,360.40 : 1,271,262,934.12 = 524,729,199.76 : x
  2. Step 2: Convert to fraction form
    921,206,360.40/1,271,262,934.12 = 524,729,199.76/x
  3. Step 3: Cross multiply
    921,206,360.40x = 1,271,262,934.12 × 524,729,199.76
  4. Step 4: Simplify right side
    921,206,360.40x = 667,068,782,105,337,088
  5. Step 5: Solve for x
    x = 667,068,782,105,337,088/921,206,360.40
  6. Step 6: Final answer
    x = 724,125,245.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.