Home / 15,088,119,779.90-20,822,049,441.50-8,314,374,699.51

Finding the Fourth Proportional to 15,088,119,779.90, 20,822,049,441.50 and 8,314,374,699.51

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Solution

The fourth proportional to 15,088,119,779.90, 20,822,049,441.50 and 8,314,374,699.51 is: 11,474,081,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088,119,779.90 : 20,822,049,441.50 = 8,314,374,699.51 : x
  2. Step 2: Convert to fraction form
    15,088,119,779.90/20,822,049,441.50 = 8,314,374,699.51/x
  3. Step 3: Cross multiply
    15,088,119,779.90x = 20,822,049,441.50 × 8,314,374,699.51
  4. Step 4: Simplify right side
    15,088,119,779.90x = 173,122,321,068,397,625,344
  5. Step 5: Solve for x
    x = 173,122,321,068,397,625,344/15,088,119,779.90
  6. Step 6: Final answer
    x = 11,474,081,833.51

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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.