Home / 783,597,867.64-1,081,332,636.42-426,367,114.66

Finding the Fourth Proportional to 783,597,867.64, 1,081,332,636.42 and 426,367,114.66

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Solution

The fourth proportional to 783,597,867.64, 1,081,332,636.42 and 426,367,114.66 is: 588,368,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,597,867.64 : 1,081,332,636.42 = 426,367,114.66 : x
  2. Step 2: Convert to fraction form
    783,597,867.64/1,081,332,636.42 = 426,367,114.66/x
  3. Step 3: Cross multiply
    783,597,867.64x = 1,081,332,636.42 × 426,367,114.66
  4. Step 4: Simplify right side
    783,597,867.64x = 461,044,676,178,086,272
  5. Step 5: Solve for x
    x = 461,044,676,178,086,272/783,597,867.64
  6. Step 6: Final answer
    x = 588,368,977.53

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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.