Home / 1,381,114,553.85-1,905,915,782.75-754,569,496.89

Finding the Fourth Proportional to 1,381,114,553.85, 1,905,915,782.75 and 754,569,496.89

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Solution

The fourth proportional to 1,381,114,553.85, 1,905,915,782.75 and 754,569,496.89 is: 1,041,293,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,114,553.85 : 1,905,915,782.75 = 754,569,496.89 : x
  2. Step 2: Convert to fraction form
    1,381,114,553.85/1,905,915,782.75 = 754,569,496.89/x
  3. Step 3: Cross multiply
    1,381,114,553.85x = 1,905,915,782.75 × 754,569,496.89
  4. Step 4: Simplify right side
    1,381,114,553.85x = 1,438,145,913,300,605,184
  5. Step 5: Solve for x
    x = 1,438,145,913,300,605,184/1,381,114,553.85
  6. Step 6: Final answer
    x = 1,041,293,721.29

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Double scale
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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.