Home / 20,316,793,685.35-30,479,115,129.07-7,724,673,065.85

Finding the Fourth Proportional to 20,316,793,685.35, 30,479,115,129.07 and 7,724,673,065.85

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Solution

The fourth proportional to 20,316,793,685.35, 30,479,115,129.07 and 7,724,673,065.85 is: 11,588,501,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,793,685.35 : 30,479,115,129.07 = 7,724,673,065.85 : x
  2. Step 2: Convert to fraction form
    20,316,793,685.35/30,479,115,129.07 = 7,724,673,065.85/x
  3. Step 3: Cross multiply
    20,316,793,685.35x = 30,479,115,129.07 × 7,724,673,065.85
  4. Step 4: Simplify right side
    20,316,793,685.35x = 235,441,199,708,622,290,944
  5. Step 5: Solve for x
    x = 235,441,199,708,622,290,944/20,316,793,685.35
  6. Step 6: Final answer
    x = 11,588,501,776.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.