Home / 1,190,799,937.71-1,786,284,937.14-317,396,730.87

Finding the Fourth Proportional to 1,190,799,937.71, 1,786,284,937.14 and 317,396,730.87

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Solution

The fourth proportional to 1,190,799,937.71, 1,786,284,937.14 and 317,396,730.87 is: 476,117,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,799,937.71 : 1,786,284,937.14 = 317,396,730.87 : x
  2. Step 2: Convert to fraction form
    1,190,799,937.71/1,786,284,937.14 = 317,396,730.87/x
  3. Step 3: Cross multiply
    1,190,799,937.71x = 1,786,284,937.14 × 317,396,730.87
  4. Step 4: Simplify right side
    1,190,799,937.71x = 566,960,999,450,559,488
  5. Step 5: Solve for x
    x = 566,960,999,450,559,488/1,190,799,937.71
  6. Step 6: Final answer
    x = 476,117,760.42

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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.