Home / 492,804,677.70-739,207,016.55-298,935,000.90

Finding the Fourth Proportional to 492,804,677.70, 739,207,016.55 and 298,935,000.90

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Solution

The fourth proportional to 492,804,677.70, 739,207,016.55 and 298,935,000.90 is: 448,402,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,804,677.70 : 739,207,016.55 = 298,935,000.90 : x
  2. Step 2: Convert to fraction form
    492,804,677.70/739,207,016.55 = 298,935,000.90/x
  3. Step 3: Cross multiply
    492,804,677.70x = 739,207,016.55 × 298,935,000.90
  4. Step 4: Simplify right side
    492,804,677.70x = 220,974,850,157,660,544
  5. Step 5: Solve for x
    x = 220,974,850,157,660,544/492,804,677.70
  6. Step 6: Final answer
    x = 448,402,501.35

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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.