Home / 526,774,178.79-726,993,007.77-291,898,514.43

Finding the Fourth Proportional to 526,774,178.79, 726,993,007.77 and 291,898,514.43

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Solution

The fourth proportional to 526,774,178.79, 726,993,007.77 and 291,898,514.43 is: 402,844,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,774,178.79 : 726,993,007.77 = 291,898,514.43 : x
  2. Step 2: Convert to fraction form
    526,774,178.79/726,993,007.77 = 291,898,514.43/x
  3. Step 3: Cross multiply
    526,774,178.79x = 726,993,007.77 × 291,898,514.43
  4. Step 4: Simplify right side
    526,774,178.79x = 212,208,178,969,060,448
  5. Step 5: Solve for x
    x = 212,208,178,969,060,448/526,774,178.79
  6. Step 6: Final answer
    x = 402,844,686.61

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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.