Home / 3,986,172,421.40-5,979,258,632.10-1,225,442,714.60

Finding the Fourth Proportional to 3,986,172,421.40, 5,979,258,632.10 and 1,225,442,714.60

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Solution

The fourth proportional to 3,986,172,421.40, 5,979,258,632.10 and 1,225,442,714.60 is: 1,838,164,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,172,421.40 : 5,979,258,632.10 = 1,225,442,714.60 : x
  2. Step 2: Convert to fraction form
    3,986,172,421.40/5,979,258,632.10 = 1,225,442,714.60/x
  3. Step 3: Cross multiply
    3,986,172,421.40x = 5,979,258,632.10 × 1,225,442,714.60
  4. Step 4: Simplify right side
    3,986,172,421.40x = 7,327,238,929,416,107,008
  5. Step 5: Solve for x
    x = 7,327,238,929,416,107,008/3,986,172,421.40
  6. Step 6: Final answer
    x = 1,838,164,071.90

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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.