Home / 826,042,668.87-1,139,897,879.40-454,756,728.63

Finding the Fourth Proportional to 826,042,668.87, 1,139,897,879.40 and 454,756,728.63

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Solution

The fourth proportional to 826,042,668.87, 1,139,897,879.40 and 454,756,728.63 is: 627,541,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,042,668.87 : 1,139,897,879.40 = 454,756,728.63 : x
  2. Step 2: Convert to fraction form
    826,042,668.87/1,139,897,879.40 = 454,756,728.63/x
  3. Step 3: Cross multiply
    826,042,668.87x = 1,139,897,879.40 × 454,756,728.63
  4. Step 4: Simplify right side
    826,042,668.87x = 518,376,230,608,218,304
  5. Step 5: Solve for x
    x = 518,376,230,608,218,304/826,042,668.87
  6. Step 6: Final answer
    x = 627,541,712.00

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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.