Home / 1,116,438,691.40-1,674,658,037.10-461,171,938.40

Finding the Fourth Proportional to 1,116,438,691.40, 1,674,658,037.10 and 461,171,938.40

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Solution

The fourth proportional to 1,116,438,691.40, 1,674,658,037.10 and 461,171,938.40 is: 691,757,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,438,691.40 : 1,674,658,037.10 = 461,171,938.40 : x
  2. Step 2: Convert to fraction form
    1,116,438,691.40/1,674,658,037.10 = 461,171,938.40/x
  3. Step 3: Cross multiply
    1,116,438,691.40x = 1,674,658,037.10 × 461,171,938.40
  4. Step 4: Simplify right side
    1,116,438,691.40x = 772,305,293,126,546,048
  5. Step 5: Solve for x
    x = 772,305,293,126,546,048/1,116,438,691.40
  6. Step 6: Final answer
    x = 691,757,907.60

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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.