Home / 1,042,172,190.24-1,438,222,609.71-565,882,633.86

Finding the Fourth Proportional to 1,042,172,190.24, 1,438,222,609.71 and 565,882,633.86

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Solution

The fourth proportional to 1,042,172,190.24, 1,438,222,609.71 and 565,882,633.86 is: 780,931,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,172,190.24 : 1,438,222,609.71 = 565,882,633.86 : x
  2. Step 2: Convert to fraction form
    1,042,172,190.24/1,438,222,609.71 = 565,882,633.86/x
  3. Step 3: Cross multiply
    1,042,172,190.24x = 1,438,222,609.71 × 565,882,633.86
  4. Step 4: Simplify right side
    1,042,172,190.24x = 813,865,198,459,697,664
  5. Step 5: Solve for x
    x = 813,865,198,459,697,664/1,042,172,190.24
  6. Step 6: Final answer
    x = 780,931,602.36

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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.