Home / 474,561,018.90-711,582,030.27-376,820,578.26

Finding the Fourth Proportional to 474,561,018.90, 711,582,030.27 and 376,820,578.26

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Solution

The fourth proportional to 474,561,018.90, 711,582,030.27 and 376,820,578.26 is: 565,024,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,561,018.90 : 711,582,030.27 = 376,820,578.26 : x
  2. Step 2: Convert to fraction form
    474,561,018.90/711,582,030.27 = 376,820,578.26/x
  3. Step 3: Cross multiply
    474,561,018.90x = 711,582,030.27 × 376,820,578.26
  4. Step 4: Simplify right side
    474,561,018.90x = 268,138,752,125,766,208
  5. Step 5: Solve for x
    x = 268,138,752,125,766,208/474,561,018.90
  6. Step 6: Final answer
    x = 565,024,815.45

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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.