Home / 305,788,483.80-458,599,012.94-84,406,901.24

Finding the Fourth Proportional to 305,788,483.80, 458,599,012.94 and 84,406,901.24

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Solution

The fourth proportional to 305,788,483.80, 458,599,012.94 and 84,406,901.24 is: 126,587,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,788,483.80 : 458,599,012.94 = 84,406,901.24 : x
  2. Step 2: Convert to fraction form
    305,788,483.80/458,599,012.94 = 84,406,901.24/x
  3. Step 3: Cross multiply
    305,788,483.80x = 458,599,012.94 × 84,406,901.24
  4. Step 4: Simplify right side
    305,788,483.80x = 38,708,921,593,988,056
  5. Step 5: Solve for x
    x = 38,708,921,593,988,056/305,788,483.80
  6. Step 6: Final answer
    x = 126,587,244.60

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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.