Home / 492,804,659.20-739,206,988.80-298,934,982.40

Finding the Fourth Proportional to 492,804,659.20, 739,206,988.80 and 298,934,982.40

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Solution

The fourth proportional to 492,804,659.20, 739,206,988.80 and 298,934,982.40 is: 448,402,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,804,659.20 : 739,206,988.80 = 298,934,982.40 : x
  2. Step 2: Convert to fraction form
    492,804,659.20/739,206,988.80 = 298,934,982.40/x
  3. Step 3: Cross multiply
    492,804,659.20x = 739,206,988.80 × 298,934,982.40
  4. Step 4: Simplify right side
    492,804,659.20x = 220,974,828,186,884,960
  5. Step 5: Solve for x
    x = 220,974,828,186,884,960/492,804,659.20
  6. Step 6: Final answer
    x = 448,402,473.60

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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.