Home / 285,768,016.30-428,652,024.45-283,752,477.10

Finding the Fourth Proportional to 285,768,016.30, 428,652,024.45 and 283,752,477.10

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Solution

The fourth proportional to 285,768,016.30, 428,652,024.45 and 283,752,477.10 is: 425,628,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,768,016.30 : 428,652,024.45 = 283,752,477.10 : x
  2. Step 2: Convert to fraction form
    285,768,016.30/428,652,024.45 = 283,752,477.10/x
  3. Step 3: Cross multiply
    285,768,016.30x = 428,652,024.45 × 283,752,477.10
  4. Step 4: Simplify right side
    285,768,016.30x = 121,631,073,751,617,264
  5. Step 5: Solve for x
    x = 121,631,073,751,617,264/285,768,016.30
  6. Step 6: Final answer
    x = 425,628,715.65

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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.