Home / 12,856,721,047.17-19,287,565,107.24-4,888,269,717.42

Finding the Fourth Proportional to 12,856,721,047.17, 19,287,565,107.24 and 4,888,269,717.42

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Solution

The fourth proportional to 12,856,721,047.17, 19,287,565,107.24 and 4,888,269,717.42 is: 7,333,348,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,721,047.17 : 19,287,565,107.24 = 4,888,269,717.42 : x
  2. Step 2: Convert to fraction form
    12,856,721,047.17/19,287,565,107.24 = 4,888,269,717.42/x
  3. Step 3: Cross multiply
    12,856,721,047.17x = 19,287,565,107.24 × 4,888,269,717.42
  4. Step 4: Simplify right side
    12,856,721,047.17x = 94,282,820,436,487,929,856
  5. Step 5: Solve for x
    x = 94,282,820,436,487,929,856/12,856,721,047.17
  6. Step 6: Final answer
    x = 7,333,348,844.59

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1.5x scale

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.