Home / 492,998,985.40-739,498,478.10-349,671,753.40

Finding the Fourth Proportional to 492,998,985.40, 739,498,478.10 and 349,671,753.40

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Solution

The fourth proportional to 492,998,985.40, 739,498,478.10 and 349,671,753.40 is: 524,507,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,998,985.40 : 739,498,478.10 = 349,671,753.40 : x
  2. Step 2: Convert to fraction form
    492,998,985.40/739,498,478.10 = 349,671,753.40/x
  3. Step 3: Cross multiply
    492,998,985.40x = 739,498,478.10 × 349,671,753.40
  4. Step 4: Simplify right side
    492,998,985.40x = 258,581,729,473,858,496
  5. Step 5: Solve for x
    x = 258,581,729,473,858,496/492,998,985.40
  6. Step 6: Final answer
    x = 524,507,630.10

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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.