Home / 758,684,007.43-1,138,104,065.85-286,380,878.97

Finding the Fourth Proportional to 758,684,007.43, 1,138,104,065.85 and 286,380,878.97

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Solution

The fourth proportional to 758,684,007.43, 1,138,104,065.85 and 286,380,878.97 is: 429,600,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,684,007.43 : 1,138,104,065.85 = 286,380,878.97 : x
  2. Step 2: Convert to fraction form
    758,684,007.43/1,138,104,065.85 = 286,380,878.97/x
  3. Step 3: Cross multiply
    758,684,007.43x = 1,138,104,065.85 × 286,380,878.97
  4. Step 4: Simplify right side
    758,684,007.43x = 325,931,242,740,662,016
  5. Step 5: Solve for x
    x = 325,931,242,740,662,016/758,684,007.43
  6. Step 6: Final answer
    x = 429,600,781.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.