Home / 398,653,542.67-598,009,045.85-153,010,177.49

Finding the Fourth Proportional to 398,653,542.67, 598,009,045.85 and 153,010,177.49

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Solution

The fourth proportional to 398,653,542.67, 598,009,045.85 and 153,010,177.49 is: 229,526,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,653,542.67 : 598,009,045.85 = 153,010,177.49 : x
  2. Step 2: Convert to fraction form
    398,653,542.67/598,009,045.85 = 153,010,177.49/x
  3. Step 3: Cross multiply
    398,653,542.67x = 598,009,045.85 × 153,010,177.49
  4. Step 4: Simplify right side
    398,653,542.67x = 91,501,470,242,378,960
  5. Step 5: Solve for x
    x = 91,501,470,242,378,960/398,653,542.67
  6. Step 6: Final answer
    x = 229,526,294.01

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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.