Home / 6,897,120,136.20-10,345,680,204.30-1,989,954,030.60

Finding the Fourth Proportional to 6,897,120,136.20, 10,345,680,204.30 and 1,989,954,030.60

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Solution

The fourth proportional to 6,897,120,136.20, 10,345,680,204.30 and 1,989,954,030.60 is: 2,984,931,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,120,136.20 : 10,345,680,204.30 = 1,989,954,030.60 : x
  2. Step 2: Convert to fraction form
    6,897,120,136.20/10,345,680,204.30 = 1,989,954,030.60/x
  3. Step 3: Cross multiply
    6,897,120,136.20x = 10,345,680,204.30 × 1,989,954,030.60
  4. Step 4: Simplify right side
    6,897,120,136.20x = 20,587,428,021,845,413,888
  5. Step 5: Solve for x
    x = 20,587,428,021,845,413,888/6,897,120,136.20
  6. Step 6: Final answer
    x = 2,984,931,045.90

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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.