Home / 501,154,465-691,584,676.08-281,133,167.08

Finding the Fourth Proportional to 501,154,465, 691,584,676.08 and 281,133,167.08

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Solution

The fourth proportional to 501,154,465, 691,584,676.08 and 281,133,167.08 is: 387,959,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,154,465 : 691,584,676.08 = 281,133,167.08 : x
  2. Step 2: Convert to fraction form
    501,154,465/691,584,676.08 = 281,133,167.08/x
  3. Step 3: Cross multiply
    501,154,465x = 691,584,676.08 × 281,133,167.08
  4. Step 4: Simplify right side
    501,154,465x = 194,427,390,290,366,304
  5. Step 5: Solve for x
    x = 194,427,390,290,366,304/501,154,465
  6. Step 6: Final answer
    x = 387,959,010.38

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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.