Home / 20,147,666,809.70-30,221,500,214.55-9,661,485,574.10

Finding the Fourth Proportional to 20,147,666,809.70, 30,221,500,214.55 and 9,661,485,574.10

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Solution

The fourth proportional to 20,147,666,809.70, 30,221,500,214.55 and 9,661,485,574.10 is: 14,492,228,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,666,809.70 : 30,221,500,214.55 = 9,661,485,574.10 : x
  2. Step 2: Convert to fraction form
    20,147,666,809.70/30,221,500,214.55 = 9,661,485,574.10/x
  3. Step 3: Cross multiply
    20,147,666,809.70x = 30,221,500,214.55 × 9,661,485,574.10
  4. Step 4: Simplify right side
    20,147,666,809.70x = 291,984,588,350,534,877,184
  5. Step 5: Solve for x
    x = 291,984,588,350,534,877,184/20,147,666,809.70
  6. Step 6: Final answer
    x = 14,492,228,361.15

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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.