Home / 914,079,505.18-1,261,815,902.02-617,124,003.26

Finding the Fourth Proportional to 914,079,505.18, 1,261,815,902.02 and 617,124,003.26

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Solution

The fourth proportional to 914,079,505.18, 1,261,815,902.02 and 617,124,003.26 is: 851,891,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,079,505.18 : 1,261,815,902.02 = 617,124,003.26 : x
  2. Step 2: Convert to fraction form
    914,079,505.18/1,261,815,902.02 = 617,124,003.26/x
  3. Step 3: Cross multiply
    914,079,505.18x = 1,261,815,902.02 × 617,124,003.26
  4. Step 4: Simplify right side
    914,079,505.18x = 778,696,880,831,710,336
  5. Step 5: Solve for x
    x = 778,696,880,831,710,336/914,079,505.18
  6. Step 6: Final answer
    x = 851,891,850.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.