Home / 2,910,071,541.45-4,365,044,640.51-811,492,036.20

Finding the Fourth Proportional to 2,910,071,541.45, 4,365,044,640.51 and 811,492,036.20

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Solution

The fourth proportional to 2,910,071,541.45, 4,365,044,640.51 and 811,492,036.20 is: 1,217,220,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,071,541.45 : 4,365,044,640.51 = 811,492,036.20 : x
  2. Step 2: Convert to fraction form
    2,910,071,541.45/4,365,044,640.51 = 811,492,036.20/x
  3. Step 3: Cross multiply
    2,910,071,541.45x = 4,365,044,640.51 × 811,492,036.20
  4. Step 4: Simplify right side
    2,910,071,541.45x = 3,542,198,963,428,435,968
  5. Step 5: Solve for x
    x = 3,542,198,963,428,435,968/2,910,071,541.45
  6. Step 6: Final answer
    x = 1,217,220,577.90

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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.