Home / 656,343,084.24-905,716,821.96-358,926,636.24

Finding the Fourth Proportional to 656,343,084.24, 905,716,821.96 and 358,926,636.24

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Solution

The fourth proportional to 656,343,084.24, 905,716,821.96 and 358,926,636.24 is: 495,298,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,343,084.24 : 905,716,821.96 = 358,926,636.24 : x
  2. Step 2: Convert to fraction form
    656,343,084.24/905,716,821.96 = 358,926,636.24/x
  3. Step 3: Cross multiply
    656,343,084.24x = 905,716,821.96 × 358,926,636.24
  4. Step 4: Simplify right side
    656,343,084.24x = 325,085,892,292,085,760
  5. Step 5: Solve for x
    x = 325,085,892,292,085,760/656,343,084.24
  6. Step 6: Final answer
    x = 495,298,724.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.