Home / 517,918,527.31-776,354,208.58-223,005,973.21

Finding the Fourth Proportional to 517,918,527.31, 776,354,208.58 and 223,005,973.21

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Solution

The fourth proportional to 517,918,527.31, 776,354,208.58 and 223,005,973.21 is: 334,283,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,918,527.31 : 776,354,208.58 = 223,005,973.21 : x
  2. Step 2: Convert to fraction form
    517,918,527.31/776,354,208.58 = 223,005,973.21/x
  3. Step 3: Cross multiply
    517,918,527.31x = 776,354,208.58 × 223,005,973.21
  4. Step 4: Simplify right side
    517,918,527.31x = 173,131,625,840,062,240
  5. Step 5: Solve for x
    x = 173,131,625,840,062,240/517,918,527.31
  6. Step 6: Final answer
    x = 334,283,515.09

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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.