Home / 10,561,708,945.20-15,842,563,417.80-9,367,879,882.80

Finding the Fourth Proportional to 10,561,708,945.20, 15,842,563,417.80 and 9,367,879,882.80

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Solution

The fourth proportional to 10,561,708,945.20, 15,842,563,417.80 and 9,367,879,882.80 is: 14,051,819,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,708,945.20 : 15,842,563,417.80 = 9,367,879,882.80 : x
  2. Step 2: Convert to fraction form
    10,561,708,945.20/15,842,563,417.80 = 9,367,879,882.80/x
  3. Step 3: Cross multiply
    10,561,708,945.20x = 15,842,563,417.80 × 9,367,879,882.80
  4. Step 4: Simplify right side
    10,561,708,945.20x = 148,411,231,133,591,797,760
  5. Step 5: Solve for x
    x = 148,411,231,133,591,797,760/10,561,708,945.20
  6. Step 6: Final answer
    x = 14,051,819,824.20

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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.