Home / 28,293,454,097.80-39,045,088,042.55-15,433,374,309.29

Finding the Fourth Proportional to 28,293,454,097.80, 39,045,088,042.55 and 15,433,374,309.29

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Solution

The fourth proportional to 28,293,454,097.80, 39,045,088,042.55 and 15,433,374,309.29 is: 21,298,122,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,454,097.80 : 39,045,088,042.55 = 15,433,374,309.29 : x
  2. Step 2: Convert to fraction form
    28,293,454,097.80/39,045,088,042.55 = 15,433,374,309.29/x
  3. Step 3: Cross multiply
    28,293,454,097.80x = 39,045,088,042.55 × 15,433,374,309.29
  4. Step 4: Simplify right side
    28,293,454,097.80x = 602,597,458,699,662,131,200
  5. Step 5: Solve for x
    x = 602,597,458,699,662,131,200/28,293,454,097.80
  6. Step 6: Final answer
    x = 21,298,122,760.72

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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.