Home / 1,968,280,061.40-2,950,404,552.90-1,149,971,146.20

Finding the Fourth Proportional to 1,968,280,061.40, 2,950,404,552.90 and 1,149,971,146.20

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Solution

The fourth proportional to 1,968,280,061.40, 2,950,404,552.90 and 1,149,971,146.20 is: 1,723,779,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,280,061.40 : 2,950,404,552.90 = 1,149,971,146.20 : x
  2. Step 2: Convert to fraction form
    1,968,280,061.40/2,950,404,552.90 = 1,149,971,146.20/x
  3. Step 3: Cross multiply
    1,968,280,061.40x = 2,950,404,552.90 × 1,149,971,146.20
  4. Step 4: Simplify right side
    1,968,280,061.40x = 3,392,880,105,452,111,872
  5. Step 5: Solve for x
    x = 3,392,880,105,452,111,872/1,968,280,061.40
  6. Step 6: Final answer
    x = 1,723,779,136.92

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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.