Home / 2,187,754,813.89-3,281,627,311.02-1,690,488,459.09

Finding the Fourth Proportional to 2,187,754,813.89, 3,281,627,311.02 and 1,690,488,459.09

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Solution

The fourth proportional to 2,187,754,813.89, 3,281,627,311.02 and 1,690,488,459.09 is: 2,535,728,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,754,813.89 : 3,281,627,311.02 = 1,690,488,459.09 : x
  2. Step 2: Convert to fraction form
    2,187,754,813.89/3,281,627,311.02 = 1,690,488,459.09/x
  3. Step 3: Cross multiply
    2,187,754,813.89x = 3,281,627,311.02 × 1,690,488,459.09
  4. Step 4: Simplify right side
    2,187,754,813.89x = 5,547,553,096,313,860,096
  5. Step 5: Solve for x
    x = 5,547,553,096,313,860,096/2,187,754,813.89
  6. Step 6: Final answer
    x = 2,535,728,894.80

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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.