Home / 1,520,720,656.98-2,282,040,531.72-647,320,599.42

Finding the Fourth Proportional to 1,520,720,656.98, 2,282,040,531.72 and 647,320,599.42

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Solution

The fourth proportional to 1,520,720,656.98, 2,282,040,531.72 and 647,320,599.42 is: 971,389,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,720,656.98 : 2,282,040,531.72 = 647,320,599.42 : x
  2. Step 2: Convert to fraction form
    1,520,720,656.98/2,282,040,531.72 = 647,320,599.42/x
  3. Step 3: Cross multiply
    1,520,720,656.98x = 2,282,040,531.72 × 647,320,599.42
  4. Step 4: Simplify right side
    1,520,720,656.98x = 1,477,211,844,893,725,696
  5. Step 5: Solve for x
    x = 1,477,211,844,893,725,696/1,520,720,656.98
  6. Step 6: Final answer
    x = 971,389,346.30

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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.