Home / 1,042,172,139.26-1,438,222,539.32-565,882,582.83

Finding the Fourth Proportional to 1,042,172,139.26, 1,438,222,539.32 and 565,882,582.83

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Solution

The fourth proportional to 1,042,172,139.26, 1,438,222,539.32 and 565,882,582.83 is: 780,931,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,172,139.26 : 1,438,222,539.32 = 565,882,582.83 : x
  2. Step 2: Convert to fraction form
    1,042,172,139.26/1,438,222,539.32 = 565,882,582.83/x
  3. Step 3: Cross multiply
    1,042,172,139.26x = 1,438,222,539.32 × 565,882,582.83
  4. Step 4: Simplify right side
    1,042,172,139.26x = 813,865,085,228,593,792
  5. Step 5: Solve for x
    x = 813,865,085,228,593,792/1,042,172,139.26
  6. Step 6: Final answer
    x = 780,931,531.91

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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.