Home / 2,209,506,294.79-3,314,696,045.07-810,503,557.43

Finding the Fourth Proportional to 2,209,506,294.79, 3,314,696,045.07 and 810,503,557.43

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Solution

The fourth proportional to 2,209,506,294.79, 3,314,696,045.07 and 810,503,557.43 is: 1,215,915,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,506,294.79 : 3,314,696,045.07 = 810,503,557.43 : x
  2. Step 2: Convert to fraction form
    2,209,506,294.79/3,314,696,045.07 = 810,503,557.43/x
  3. Step 3: Cross multiply
    2,209,506,294.79x = 3,314,696,045.07 × 810,503,557.43
  4. Step 4: Simplify right side
    2,209,506,294.79x = 2,686,572,936,340,467,200
  5. Step 5: Solve for x
    x = 2,686,572,936,340,467,200/2,209,506,294.79
  6. Step 6: Final answer
    x = 1,215,915,493.28

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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.