Home / 389,741,617.71-537,843,420.63-213,536,296.17

Finding the Fourth Proportional to 389,741,617.71, 537,843,420.63 and 213,536,296.17

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Solution

The fourth proportional to 389,741,617.71, 537,843,420.63 and 213,536,296.17 is: 294,680,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,741,617.71 : 537,843,420.63 = 213,536,296.17 : x
  2. Step 2: Convert to fraction form
    389,741,617.71/537,843,420.63 = 213,536,296.17/x
  3. Step 3: Cross multiply
    389,741,617.71x = 537,843,420.63 × 213,536,296.17
  4. Step 4: Simplify right side
    389,741,617.71x = 114,849,091,960,733,552
  5. Step 5: Solve for x
    x = 114,849,091,960,733,552/389,741,617.71
  6. Step 6: Final answer
    x = 294,680,082.24

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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.