Home / 279,936,627.40-419,904,941.10-262,020,723.40

Finding the Fourth Proportional to 279,936,627.40, 419,904,941.10 and 262,020,723.40

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Solution

The fourth proportional to 279,936,627.40, 419,904,941.10 and 262,020,723.40 is: 393,031,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,627.40 : 419,904,941.10 = 262,020,723.40 : x
  2. Step 2: Convert to fraction form
    279,936,627.40/419,904,941.10 = 262,020,723.40/x
  3. Step 3: Cross multiply
    279,936,627.40x = 419,904,941.10 × 262,020,723.40
  4. Step 4: Simplify right side
    279,936,627.40x = 110,023,796,426,256,400
  5. Step 5: Solve for x
    x = 110,023,796,426,256,400/279,936,627.40
  6. Step 6: Final answer
    x = 393,031,085.10

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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.