Home / 687,777,883.60-1,031,666,825.40-177,174,619.60

Finding the Fourth Proportional to 687,777,883.60, 1,031,666,825.40 and 177,174,619.60

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Solution

The fourth proportional to 687,777,883.60, 1,031,666,825.40 and 177,174,619.60 is: 265,761,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,777,883.60 : 1,031,666,825.40 = 177,174,619.60 : x
  2. Step 2: Convert to fraction form
    687,777,883.60/1,031,666,825.40 = 177,174,619.60/x
  3. Step 3: Cross multiply
    687,777,883.60x = 1,031,666,825.40 × 177,174,619.60
  4. Step 4: Simplify right side
    687,777,883.60x = 182,785,177,344,184,608
  5. Step 5: Solve for x
    x = 182,785,177,344,184,608/687,777,883.60
  6. Step 6: Final answer
    x = 265,761,929.40

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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.