Home / 28,293,454,111.87-39,045,088,061.92-15,433,374,323.32

Finding the Fourth Proportional to 28,293,454,111.87, 39,045,088,061.92 and 15,433,374,323.32

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Solution

The fourth proportional to 28,293,454,111.87, 39,045,088,061.92 and 15,433,374,323.32 is: 21,298,122,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,454,111.87 : 39,045,088,061.92 = 15,433,374,323.32 : x
  2. Step 2: Convert to fraction form
    28,293,454,111.87/39,045,088,061.92 = 15,433,374,323.32/x
  3. Step 3: Cross multiply
    28,293,454,111.87x = 39,045,088,061.92 × 15,433,374,323.32
  4. Step 4: Simplify right side
    28,293,454,111.87x = 602,597,459,546,752,286,720
  5. Step 5: Solve for x
    x = 602,597,459,546,752,286,720/28,293,454,111.87
  6. Step 6: Final answer
    x = 21,298,122,780.07

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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.