Home / 675,248,117.88-1,012,853,281.14-215,213,892.60

Finding the Fourth Proportional to 675,248,117.88, 1,012,853,281.14 and 215,213,892.60

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Solution

The fourth proportional to 675,248,117.88, 1,012,853,281.14 and 215,213,892.60 is: 322,814,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,248,117.88 : 1,012,853,281.14 = 215,213,892.60 : x
  2. Step 2: Convert to fraction form
    675,248,117.88/1,012,853,281.14 = 215,213,892.60/x
  3. Step 3: Cross multiply
    675,248,117.88x = 1,012,853,281.14 × 215,213,892.60
  4. Step 4: Simplify right side
    675,248,117.88x = 217,980,097,266,821,568
  5. Step 5: Solve for x
    x = 217,980,097,266,821,568/675,248,117.88
  6. Step 6: Final answer
    x = 322,814,816.50

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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.