Home / 18,267,581,695.40-27,403,923,459.90-7,786,714,869.80

Finding the Fourth Proportional to 18,267,581,695.40, 27,403,923,459.90 and 7,786,714,869.80

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Solution

The fourth proportional to 18,267,581,695.40, 27,403,923,459.90 and 7,786,714,869.80 is: 11,681,159,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,581,695.40 : 27,403,923,459.90 = 7,786,714,869.80 : x
  2. Step 2: Convert to fraction form
    18,267,581,695.40/27,403,923,459.90 = 7,786,714,869.80/x
  3. Step 3: Cross multiply
    18,267,581,695.40x = 27,403,923,459.90 × 7,786,714,869.80
  4. Step 4: Simplify right side
    18,267,581,695.40x = 213,386,538,296,064,409,600
  5. Step 5: Solve for x
    x = 213,386,538,296,064,409,600/18,267,581,695.40
  6. Step 6: Final answer
    x = 11,681,159,655.07

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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.