Home / 20,147,666,804.70-30,221,500,207.05-9,661,485,569.10

Finding the Fourth Proportional to 20,147,666,804.70, 30,221,500,207.05 and 9,661,485,569.10

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Solution

The fourth proportional to 20,147,666,804.70, 30,221,500,207.05 and 9,661,485,569.10 is: 14,492,228,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,666,804.70 : 30,221,500,207.05 = 9,661,485,569.10 : x
  2. Step 2: Convert to fraction form
    20,147,666,804.70/30,221,500,207.05 = 9,661,485,569.10/x
  3. Step 3: Cross multiply
    20,147,666,804.70x = 30,221,500,207.05 × 9,661,485,569.10
  4. Step 4: Simplify right side
    20,147,666,804.70x = 291,984,588,126,966,251,520
  5. Step 5: Solve for x
    x = 291,984,588,126,966,251,520/20,147,666,804.70
  6. Step 6: Final answer
    x = 14,492,228,353.65

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Double scale
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1.5x scale

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.