Home / 6,390,126,195.86-8,818,204,992.30-3,570,757,289.12

Finding the Fourth Proportional to 6,390,126,195.86, 8,818,204,992.30 and 3,570,757,289.12

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Solution

The fourth proportional to 6,390,126,195.86, 8,818,204,992.30 and 3,570,757,289.12 is: 4,927,550,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,126,195.86 : 8,818,204,992.30 = 3,570,757,289.12 : x
  2. Step 2: Convert to fraction form
    6,390,126,195.86/8,818,204,992.30 = 3,570,757,289.12/x
  3. Step 3: Cross multiply
    6,390,126,195.86x = 8,818,204,992.30 × 3,570,757,289.12
  4. Step 4: Simplify right side
    6,390,126,195.86x = 31,487,669,753,230,757,888
  5. Step 5: Solve for x
    x = 31,487,669,753,230,757,888/6,390,126,195.86
  6. Step 6: Final answer
    x = 4,927,550,534.70

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Double scale
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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.