Home / 374,680,140.40-517,064,715.15-205,131,549.31

Finding the Fourth Proportional to 374,680,140.40, 517,064,715.15 and 205,131,549.31

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Solution

The fourth proportional to 374,680,140.40, 517,064,715.15 and 205,131,549.31 is: 283,084,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,680,140.40 : 517,064,715.15 = 205,131,549.31 : x
  2. Step 2: Convert to fraction form
    374,680,140.40/517,064,715.15 = 205,131,549.31/x
  3. Step 3: Cross multiply
    374,680,140.40x = 517,064,715.15 × 205,131,549.31
  4. Step 4: Simplify right side
    374,680,140.40x = 106,066,286,112,253,328
  5. Step 5: Solve for x
    x = 106,066,286,112,253,328/374,680,140.40
  6. Step 6: Final answer
    x = 283,084,889.42

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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.