Home / 880,206,876.90-1,320,310,315.35-788,373,872.10

Finding the Fourth Proportional to 880,206,876.90, 1,320,310,315.35 and 788,373,872.10

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Solution

The fourth proportional to 880,206,876.90, 1,320,310,315.35 and 788,373,872.10 is: 1,182,560,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,206,876.90 : 1,320,310,315.35 = 788,373,872.10 : x
  2. Step 2: Convert to fraction form
    880,206,876.90/1,320,310,315.35 = 788,373,872.10/x
  3. Step 3: Cross multiply
    880,206,876.90x = 1,320,310,315.35 × 788,373,872.10
  4. Step 4: Simplify right side
    880,206,876.90x = 1,040,898,155,686,051,584
  5. Step 5: Solve for x
    x = 1,040,898,155,686,051,584/880,206,876.90
  6. Step 6: Final answer
    x = 1,182,560,808.15

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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.