Home / 981,485,151.81-1,354,443,081.65-558,098,845.02

Finding the Fourth Proportional to 981,485,151.81, 1,354,443,081.65 and 558,098,845.02

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Solution

The fourth proportional to 981,485,151.81, 1,354,443,081.65 and 558,098,845.02 is: 770,172,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,485,151.81 : 1,354,443,081.65 = 558,098,845.02 : x
  2. Step 2: Convert to fraction form
    981,485,151.81/1,354,443,081.65 = 558,098,845.02/x
  3. Step 3: Cross multiply
    981,485,151.81x = 1,354,443,081.65 × 558,098,845.02
  4. Step 4: Simplify right side
    981,485,151.81x = 755,913,119,518,879,872
  5. Step 5: Solve for x
    x = 755,913,119,518,879,872/981,485,151.81
  6. Step 6: Final answer
    x = 770,172,751.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.