Home / 2,661,665,547.40-3,672,851,958.87-1,472,208,915.76

Finding the Fourth Proportional to 2,661,665,547.40, 3,672,851,958.87 and 1,472,208,915.76

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Solution

The fourth proportional to 2,661,665,547.40, 3,672,851,958.87 and 1,472,208,915.76 is: 2,031,511,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,665,547.40 : 3,672,851,958.87 = 1,472,208,915.76 : x
  2. Step 2: Convert to fraction form
    2,661,665,547.40/3,672,851,958.87 = 1,472,208,915.76/x
  3. Step 3: Cross multiply
    2,661,665,547.40x = 3,672,851,958.87 × 1,472,208,915.76
  4. Step 4: Simplify right side
    2,661,665,547.40x = 5,407,205,400,114,994,176
  5. Step 5: Solve for x
    x = 5,407,205,400,114,994,176/2,661,665,547.40
  6. Step 6: Final answer
    x = 2,031,511,962.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.