Home / 1,257,094,340.10-1,884,469,019.13-427,481,062.38

Finding the Fourth Proportional to 1,257,094,340.10, 1,884,469,019.13 and 427,481,062.38

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Solution

The fourth proportional to 1,257,094,340.10, 1,884,469,019.13 and 427,481,062.38 is: 640,822,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,094,340.10 : 1,884,469,019.13 = 427,481,062.38 : x
  2. Step 2: Convert to fraction form
    1,257,094,340.10/1,884,469,019.13 = 427,481,062.38/x
  3. Step 3: Cross multiply
    1,257,094,340.10x = 1,884,469,019.13 × 427,481,062.38
  4. Step 4: Simplify right side
    1,257,094,340.10x = 805,574,818,319,889,024
  5. Step 5: Solve for x
    x = 805,574,818,319,889,024/1,257,094,340.10
  6. Step 6: Final answer
    x = 640,822,882.28

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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.