Home / 743,816,648.16-1,026,436,150.80-404,726,523.72

Finding the Fourth Proportional to 743,816,648.16, 1,026,436,150.80 and 404,726,523.72

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Solution

The fourth proportional to 743,816,648.16, 1,026,436,150.80 and 404,726,523.72 is: 558,505,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,816,648.16 : 1,026,436,150.80 = 404,726,523.72 : x
  2. Step 2: Convert to fraction form
    743,816,648.16/1,026,436,150.80 = 404,726,523.72/x
  3. Step 3: Cross multiply
    743,816,648.16x = 1,026,436,150.80 × 404,726,523.72
  4. Step 4: Simplify right side
    743,816,648.16x = 415,425,935,133,821,696
  5. Step 5: Solve for x
    x = 415,425,935,133,821,696/743,816,648.16
  6. Step 6: Final answer
    x = 558,505,830.92

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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.