Home / 77,513,690,948.50-116,270,536,291.54-18,625,776,620.50

Finding the Fourth Proportional to 77,513,690,948.50, 116,270,536,291.54 and 18,625,776,620.50

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Solution

The fourth proportional to 77,513,690,948.50, 116,270,536,291.54 and 18,625,776,620.50 is: 27,938,664,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,513,690,948.50 : 116,270,536,291.54 = 18,625,776,620.50 : x
  2. Step 2: Convert to fraction form
    77,513,690,948.50/116,270,536,291.54 = 18,625,776,620.50/x
  3. Step 3: Cross multiply
    77,513,690,948.50x = 116,270,536,291.54 × 18,625,776,620.50
  4. Step 4: Simplify right side
    77,513,690,948.50x = 2,165,629,036,511,962,333,184
  5. Step 5: Solve for x
    x = 2,165,629,036,511,962,333,184/77,513,690,948.50
  6. Step 6: Final answer
    x = 27,938,664,899.22

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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.