Home / 628,292,299.52-942,502,809.12-240,441,334.40

Finding the Fourth Proportional to 628,292,299.52, 942,502,809.12 and 240,441,334.40

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Solution

The fourth proportional to 628,292,299.52, 942,502,809.12 and 240,441,334.40 is: 360,686,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,292,299.52 : 942,502,809.12 = 240,441,334.40 : x
  2. Step 2: Convert to fraction form
    628,292,299.52/942,502,809.12 = 240,441,334.40/x
  3. Step 3: Cross multiply
    628,292,299.52x = 942,502,809.12 × 240,441,334.40
  4. Step 4: Simplify right side
    628,292,299.52x = 226,616,633,100,561,312
  5. Step 5: Solve for x
    x = 226,616,633,100,561,312/628,292,299.52
  6. Step 6: Final answer
    x = 360,686,631.48

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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.