Home / 28,293,454,155.24-39,045,088,121.80-15,433,374,366.70

Finding the Fourth Proportional to 28,293,454,155.24, 39,045,088,121.80 and 15,433,374,366.70

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Solution

The fourth proportional to 28,293,454,155.24, 39,045,088,121.80 and 15,433,374,366.70 is: 21,298,122,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,454,155.24 : 39,045,088,121.80 = 15,433,374,366.70 : x
  2. Step 2: Convert to fraction form
    28,293,454,155.24/39,045,088,121.80 = 15,433,374,366.70/x
  3. Step 3: Cross multiply
    28,293,454,155.24x = 39,045,088,121.80 × 15,433,374,366.70
  4. Step 4: Simplify right side
    28,293,454,155.24x = 602,597,462,164,530,790,400
  5. Step 5: Solve for x
    x = 602,597,462,164,530,790,400/28,293,454,155.24
  6. Step 6: Final answer
    x = 21,298,122,839.94

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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.