Home / 12,331,851,514.78-17,015,038,322.25-6,979,411,871.87

Finding the Fourth Proportional to 12,331,851,514.78, 17,015,038,322.25 and 6,979,411,871.87

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Solution

The fourth proportional to 12,331,851,514.78, 17,015,038,322.25 and 6,979,411,871.87 is: 9,629,937,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,851,514.78 : 17,015,038,322.25 = 6,979,411,871.87 : x
  2. Step 2: Convert to fraction form
    12,331,851,514.78/17,015,038,322.25 = 6,979,411,871.87/x
  3. Step 3: Cross multiply
    12,331,851,514.78x = 17,015,038,322.25 × 6,979,411,871.87
  4. Step 4: Simplify right side
    12,331,851,514.78x = 118,754,960,466,514,690,048
  5. Step 5: Solve for x
    x = 118,754,960,466,514,690,048/12,331,851,514.78
  6. Step 6: Final answer
    x = 9,629,937,590.81

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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.