Home / 402,942,243.10-604,413,364.65-370,693,615.90

Finding the Fourth Proportional to 402,942,243.10, 604,413,364.65 and 370,693,615.90

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Solution

The fourth proportional to 402,942,243.10, 604,413,364.65 and 370,693,615.90 is: 556,040,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,942,243.10 : 604,413,364.65 = 370,693,615.90 : x
  2. Step 2: Convert to fraction form
    402,942,243.10/604,413,364.65 = 370,693,615.90/x
  3. Step 3: Cross multiply
    402,942,243.10x = 604,413,364.65 × 370,693,615.90
  4. Step 4: Simplify right side
    402,942,243.10x = 224,052,175,640,393,728
  5. Step 5: Solve for x
    x = 224,052,175,640,393,728/402,942,243.10
  6. Step 6: Final answer
    x = 556,040,423.85

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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.