Home / 403,550,133.40-605,325,200.10-305,977,565.80

Finding the Fourth Proportional to 403,550,133.40, 605,325,200.10 and 305,977,565.80

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Solution

The fourth proportional to 403,550,133.40, 605,325,200.10 and 305,977,565.80 is: 458,966,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,550,133.40 : 605,325,200.10 = 305,977,565.80 : x
  2. Step 2: Convert to fraction form
    403,550,133.40/605,325,200.10 = 305,977,565.80/x
  3. Step 3: Cross multiply
    403,550,133.40x = 605,325,200.10 × 305,977,565.80
  4. Step 4: Simplify right side
    403,550,133.40x = 185,215,931,243,995,936
  5. Step 5: Solve for x
    x = 185,215,931,243,995,936/403,550,133.40
  6. Step 6: Final answer
    x = 458,966,348.70

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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.