Home / 615,771,140.64-923,649,003.40-149,436,427.20

Finding the Fourth Proportional to 615,771,140.64, 923,649,003.40 and 149,436,427.20

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Solution

The fourth proportional to 615,771,140.64, 923,649,003.40 and 149,436,427.20 is: 224,152,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,771,140.64 : 923,649,003.40 = 149,436,427.20 : x
  2. Step 2: Convert to fraction form
    615,771,140.64/923,649,003.40 = 149,436,427.20/x
  3. Step 3: Cross multiply
    615,771,140.64x = 923,649,003.40 × 149,436,427.20
  4. Step 4: Simplify right side
    615,771,140.64x = 138,026,807,054,936,640
  5. Step 5: Solve for x
    x = 138,026,807,054,936,640/615,771,140.64
  6. Step 6: Final answer
    x = 224,152,770.32

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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.