Home / 777,014,787.90-1,165,495,225.05-194,754,128.70

Finding the Fourth Proportional to 777,014,787.90, 1,165,495,225.05 and 194,754,128.70

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Solution

The fourth proportional to 777,014,787.90, 1,165,495,225.05 and 194,754,128.70 is: 292,124,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,014,787.90 : 1,165,495,225.05 = 194,754,128.70 : x
  2. Step 2: Convert to fraction form
    777,014,787.90/1,165,495,225.05 = 194,754,128.70/x
  3. Step 3: Cross multiply
    777,014,787.90x = 1,165,495,225.05 × 194,754,128.70
  4. Step 4: Simplify right side
    777,014,787.90x = 226,985,007,058,623,136
  5. Step 5: Solve for x
    x = 226,985,007,058,623,136/777,014,787.90
  6. Step 6: Final answer
    x = 292,124,436.49

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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.