Home / 517,918,526.31-776,354,207.09-223,005,972.21

Finding the Fourth Proportional to 517,918,526.31, 776,354,207.09 and 223,005,972.21

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Solution

The fourth proportional to 517,918,526.31, 776,354,207.09 and 223,005,972.21 is: 334,283,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,918,526.31 : 776,354,207.09 = 223,005,972.21 : x
  2. Step 2: Convert to fraction form
    517,918,526.31/776,354,207.09 = 223,005,972.21/x
  3. Step 3: Cross multiply
    517,918,526.31x = 776,354,207.09 × 223,005,972.21
  4. Step 4: Simplify right side
    517,918,526.31x = 173,131,624,730,314,112
  5. Step 5: Solve for x
    x = 173,131,624,730,314,112/517,918,526.31
  6. Step 6: Final answer
    x = 334,283,513.59

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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.