Home / 439,393,280.56-606,391,070.70-243,822,992.56

Finding the Fourth Proportional to 439,393,280.56, 606,391,070.70 and 243,822,992.56

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Solution

The fourth proportional to 439,393,280.56, 606,391,070.70 and 243,822,992.56 is: 336,491,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,393,280.56 : 606,391,070.70 = 243,822,992.56 : x
  2. Step 2: Convert to fraction form
    439,393,280.56/606,391,070.70 = 243,822,992.56/x
  3. Step 3: Cross multiply
    439,393,280.56x = 606,391,070.70 × 243,822,992.56
  4. Step 4: Simplify right side
    439,393,280.56x = 147,852,085,519,736,544
  5. Step 5: Solve for x
    x = 147,852,085,519,736,544/439,393,280.56
  6. Step 6: Final answer
    x = 336,491,457.79

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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.