Home / 1,980,149,220,821.40-2,970,223,831,232.10-1,377,632,876,328.70

Finding the Fourth Proportional to 1,980,149,220,821.40, 2,970,223,831,232.10 and 1,377,632,876,328.70

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Solution

The fourth proportional to 1,980,149,220,821.40, 2,970,223,831,232.10 and 1,377,632,876,328.70 is: 2,066,449,314,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,149,220,821.40 : 2,970,223,831,232.10 = 1,377,632,876,328.70 : x
  2. Step 2: Convert to fraction form
    1,980,149,220,821.40/2,970,223,831,232.10 = 1,377,632,876,328.70/x
  3. Step 3: Cross multiply
    1,980,149,220,821.40x = 2,970,223,831,232.10 × 1,377,632,876,328.70
  4. Step 4: Simplify right side
    1,980,149,220,821.40x = 4,091,877,999,960,329,000,321,024
  5. Step 5: Solve for x
    x = 4,091,877,999,960,329,000,321,024/1,980,149,220,821.40
  6. Step 6: Final answer
    x = 2,066,449,314,493.05

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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.