Home / 1,521,574,105.91-2,280,768,193.62-636,766,410.31

Finding the Fourth Proportional to 1,521,574,105.91, 2,280,768,193.62 and 636,766,410.31

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Solution

The fourth proportional to 1,521,574,105.91, 2,280,768,193.62 and 636,766,410.31 is: 954,482,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,574,105.91 : 2,280,768,193.62 = 636,766,410.31 : x
  2. Step 2: Convert to fraction form
    1,521,574,105.91/2,280,768,193.62 = 636,766,410.31/x
  3. Step 3: Cross multiply
    1,521,574,105.91x = 2,280,768,193.62 × 636,766,410.31
  4. Step 4: Simplify right side
    1,521,574,105.91x = 1,452,316,575,394,928,384
  5. Step 5: Solve for x
    x = 1,452,316,575,394,928,384/1,521,574,105.91
  6. Step 6: Final answer
    x = 954,482,972.44

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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.