Home / 1,006,074,740.85-1,509,112,111.29-279,063,452.85

Finding the Fourth Proportional to 1,006,074,740.85, 1,509,112,111.29 and 279,063,452.85

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Solution

The fourth proportional to 1,006,074,740.85, 1,509,112,111.29 and 279,063,452.85 is: 418,595,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,074,740.85 : 1,509,112,111.29 = 279,063,452.85 : x
  2. Step 2: Convert to fraction form
    1,006,074,740.85/1,509,112,111.29 = 279,063,452.85/x
  3. Step 3: Cross multiply
    1,006,074,740.85x = 1,509,112,111.29 × 279,063,452.85
  4. Step 4: Simplify right side
    1,006,074,740.85x = 421,138,036,514,340,864
  5. Step 5: Solve for x
    x = 421,138,036,514,340,864/1,006,074,740.85
  6. Step 6: Final answer
    x = 418,595,179.28

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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.