Home / 436,752,357.20-655,128,535.80-403,495,960.40

Finding the Fourth Proportional to 436,752,357.20, 655,128,535.80 and 403,495,960.40

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Solution

The fourth proportional to 436,752,357.20, 655,128,535.80 and 403,495,960.40 is: 605,243,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,357.20 : 655,128,535.80 = 403,495,960.40 : x
  2. Step 2: Convert to fraction form
    436,752,357.20/655,128,535.80 = 403,495,960.40/x
  3. Step 3: Cross multiply
    436,752,357.20x = 655,128,535.80 × 403,495,960.40
  4. Step 4: Simplify right side
    436,752,357.20x = 264,341,717,738,066,752
  5. Step 5: Solve for x
    x = 264,341,717,738,066,752/436,752,357.20
  6. Step 6: Final answer
    x = 605,243,940.60

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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.