Home / 783,597,866.64-1,081,332,635.04-426,367,113.66

Finding the Fourth Proportional to 783,597,866.64, 1,081,332,635.04 and 426,367,113.66

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Solution

The fourth proportional to 783,597,866.64, 1,081,332,635.04 and 426,367,113.66 is: 588,368,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,597,866.64 : 1,081,332,635.04 = 426,367,113.66 : x
  2. Step 2: Convert to fraction form
    783,597,866.64/1,081,332,635.04 = 426,367,113.66/x
  3. Step 3: Cross multiply
    783,597,866.64x = 1,081,332,635.04 × 426,367,113.66
  4. Step 4: Simplify right side
    783,597,866.64x = 461,044,674,508,366,976
  5. Step 5: Solve for x
    x = 461,044,674,508,366,976/783,597,866.64
  6. Step 6: Final answer
    x = 588,368,976.15

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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.