Home / 436,752,365.70-655,128,548.55-403,495,968.90

Finding the Fourth Proportional to 436,752,365.70, 655,128,548.55 and 403,495,968.90

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Solution

The fourth proportional to 436,752,365.70, 655,128,548.55 and 403,495,968.90 is: 605,243,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,365.70 : 655,128,548.55 = 403,495,968.90 : x
  2. Step 2: Convert to fraction form
    436,752,365.70/655,128,548.55 = 403,495,968.90/x
  3. Step 3: Cross multiply
    436,752,365.70x = 655,128,548.55 × 403,495,968.90
  4. Step 4: Simplify right side
    436,752,365.70x = 264,341,728,451,232,896
  5. Step 5: Solve for x
    x = 264,341,728,451,232,896/436,752,365.70
  6. Step 6: Final answer
    x = 605,243,953.35

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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.