Home / 418,248,644.18-577,179,943.56-230,072,896.40

Finding the Fourth Proportional to 418,248,644.18, 577,179,943.56 and 230,072,896.40

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Solution

The fourth proportional to 418,248,644.18, 577,179,943.56 and 230,072,896.40 is: 317,498,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,248,644.18 : 577,179,943.56 = 230,072,896.40 : x
  2. Step 2: Convert to fraction form
    418,248,644.18/577,179,943.56 = 230,072,896.40/x
  3. Step 3: Cross multiply
    418,248,644.18x = 577,179,943.56 × 230,072,896.40
  4. Step 4: Simplify right side
    418,248,644.18x = 132,793,461,358,837,712
  5. Step 5: Solve for x
    x = 132,793,461,358,837,712/418,248,644.18
  6. Step 6: Final answer
    x = 317,498,844.78

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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.