Home / 677,487,175.40-1,016,230,763.10-367,550,784.20

Finding the Fourth Proportional to 677,487,175.40, 1,016,230,763.10 and 367,550,784.20

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Solution

The fourth proportional to 677,487,175.40, 1,016,230,763.10 and 367,550,784.20 is: 551,326,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,487,175.40 : 1,016,230,763.10 = 367,550,784.20 : x
  2. Step 2: Convert to fraction form
    677,487,175.40/1,016,230,763.10 = 367,550,784.20/x
  3. Step 3: Cross multiply
    677,487,175.40x = 1,016,230,763.10 × 367,550,784.20
  4. Step 4: Simplify right side
    677,487,175.40x = 373,516,413,905,569,408
  5. Step 5: Solve for x
    x = 373,516,413,905,569,408/677,487,175.40
  6. Step 6: Final answer
    x = 551,326,176.30

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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.