Home / 398,653,543.67-598,009,047.35-153,010,178.49

Finding the Fourth Proportional to 398,653,543.67, 598,009,047.35 and 153,010,178.49

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Solution

The fourth proportional to 398,653,543.67, 598,009,047.35 and 153,010,178.49 is: 229,526,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,653,543.67 : 598,009,047.35 = 153,010,178.49 : x
  2. Step 2: Convert to fraction form
    398,653,543.67/598,009,047.35 = 153,010,178.49/x
  3. Step 3: Cross multiply
    398,653,543.67x = 598,009,047.35 × 153,010,178.49
  4. Step 4: Simplify right side
    398,653,543.67x = 91,501,471,073,658,368
  5. Step 5: Solve for x
    x = 91,501,471,073,658,368/398,653,543.67
  6. Step 6: Final answer
    x = 229,526,295.52

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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.