Home / 1,377,385,336.80-2,066,078,005.20-503,985,016.80

Finding the Fourth Proportional to 1,377,385,336.80, 2,066,078,005.20 and 503,985,016.80

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Solution

The fourth proportional to 1,377,385,336.80, 2,066,078,005.20 and 503,985,016.80 is: 755,977,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,385,336.80 : 2,066,078,005.20 = 503,985,016.80 : x
  2. Step 2: Convert to fraction form
    1,377,385,336.80/2,066,078,005.20 = 503,985,016.80/x
  3. Step 3: Cross multiply
    1,377,385,336.80x = 2,066,078,005.20 × 503,985,016.80
  4. Step 4: Simplify right side
    1,377,385,336.80x = 1,041,272,358,160,832,512
  5. Step 5: Solve for x
    x = 1,041,272,358,160,832,512/1,377,385,336.80
  6. Step 6: Final answer
    x = 755,977,525.20

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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.