Home / 8,780,399,868.17-12,116,963,448.64-4,766,067,531.29

Finding the Fourth Proportional to 8,780,399,868.17, 12,116,963,448.64 and 4,766,067,531.29

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Solution

The fourth proportional to 8,780,399,868.17, 12,116,963,448.64 and 4,766,067,531.29 is: 6,577,179,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,399,868.17 : 12,116,963,448.64 = 4,766,067,531.29 : x
  2. Step 2: Convert to fraction form
    8,780,399,868.17/12,116,963,448.64 = 4,766,067,531.29/x
  3. Step 3: Cross multiply
    8,780,399,868.17x = 12,116,963,448.64 × 4,766,067,531.29
  4. Step 4: Simplify right side
    8,780,399,868.17x = 57,750,266,070,425,862,144
  5. Step 5: Solve for x
    x = 57,750,266,070,425,862,144/8,780,399,868.17
  6. Step 6: Final answer
    x = 6,577,179,506.34

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Double scale
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1.5x scale

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.