Home / 804,096,015.40-1,206,144,023.10-287,110,210.60

Finding the Fourth Proportional to 804,096,015.40, 1,206,144,023.10 and 287,110,210.60

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Solution

The fourth proportional to 804,096,015.40, 1,206,144,023.10 and 287,110,210.60 is: 430,665,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,096,015.40 : 1,206,144,023.10 = 287,110,210.60 : x
  2. Step 2: Convert to fraction form
    804,096,015.40/1,206,144,023.10 = 287,110,210.60/x
  3. Step 3: Cross multiply
    804,096,015.40x = 1,206,144,023.10 × 287,110,210.60
  4. Step 4: Simplify right side
    804,096,015.40x = 346,296,264,486,172,288
  5. Step 5: Solve for x
    x = 346,296,264,486,172,288/804,096,015.40
  6. Step 6: Final answer
    x = 430,665,315.90

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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.