Home / 25,278,093,613.80-34,870,543,561.40-15,629,739,300.05

Finding the Fourth Proportional to 25,278,093,613.80, 34,870,543,561.40 and 15,629,739,300.05

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Solution

The fourth proportional to 25,278,093,613.80, 34,870,543,561.40 and 15,629,739,300.05 is: 21,560,862,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278,093,613.80 : 34,870,543,561.40 = 15,629,739,300.05 : x
  2. Step 2: Convert to fraction form
    25,278,093,613.80/34,870,543,561.40 = 15,629,739,300.05/x
  3. Step 3: Cross multiply
    25,278,093,613.80x = 34,870,543,561.40 × 15,629,739,300.05
  4. Step 4: Simplify right side
    25,278,093,613.80x = 545,017,505,115,482,226,688
  5. Step 5: Solve for x
    x = 545,017,505,115,482,226,688/25,278,093,613.80
  6. Step 6: Final answer
    x = 21,560,862,675.89

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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.