Home / 628,292,309.52-942,502,824.12-240,441,344.40

Finding the Fourth Proportional to 628,292,309.52, 942,502,824.12 and 240,441,344.40

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Solution

The fourth proportional to 628,292,309.52, 942,502,824.12 and 240,441,344.40 is: 360,686,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,292,309.52 : 942,502,824.12 = 240,441,344.40 : x
  2. Step 2: Convert to fraction form
    628,292,309.52/942,502,824.12 = 240,441,344.40/x
  3. Step 3: Cross multiply
    628,292,309.52x = 942,502,824.12 × 240,441,344.40
  4. Step 4: Simplify right side
    628,292,309.52x = 226,616,646,132,209,568
  5. Step 5: Solve for x
    x = 226,616,646,132,209,568/628,292,309.52
  6. Step 6: Final answer
    x = 360,686,646.48

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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.