Home / 1,778,125,658.40-2,666,154,627.12-672,815,899.68

Finding the Fourth Proportional to 1,778,125,658.40, 2,666,154,627.12 and 672,815,899.68

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Solution

The fourth proportional to 1,778,125,658.40, 2,666,154,627.12 and 672,815,899.68 is: 1,008,832,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,125,658.40 : 2,666,154,627.12 = 672,815,899.68 : x
  2. Step 2: Convert to fraction form
    1,778,125,658.40/2,666,154,627.12 = 672,815,899.68/x
  3. Step 3: Cross multiply
    1,778,125,658.40x = 2,666,154,627.12 × 672,815,899.68
  4. Step 4: Simplify right side
    1,778,125,658.40x = 1,793,831,224,131,737,600
  5. Step 5: Solve for x
    x = 1,793,831,224,131,737,600/1,778,125,658.40
  6. Step 6: Final answer
    x = 1,008,832,652.33

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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.