Home / 403,550,133.90-605,325,200.85-305,977,566.30

Finding the Fourth Proportional to 403,550,133.90, 605,325,200.85 and 305,977,566.30

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Solution

The fourth proportional to 403,550,133.90, 605,325,200.85 and 305,977,566.30 is: 458,966,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,550,133.90 : 605,325,200.85 = 305,977,566.30 : x
  2. Step 2: Convert to fraction form
    403,550,133.90/605,325,200.85 = 305,977,566.30/x
  3. Step 3: Cross multiply
    403,550,133.90x = 605,325,200.85 × 305,977,566.30
  4. Step 4: Simplify right side
    403,550,133.90x = 185,215,931,776,141,696
  5. Step 5: Solve for x
    x = 185,215,931,776,141,696/403,550,133.90
  6. Step 6: Final answer
    x = 458,966,349.45

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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.