Home / 756,342,379.52-1,043,752,487.04-408,661,867.52

Finding the Fourth Proportional to 756,342,379.52, 1,043,752,487.04 and 408,661,867.52

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Solution

The fourth proportional to 756,342,379.52, 1,043,752,487.04 and 408,661,867.52 is: 563,953,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,342,379.52 : 1,043,752,487.04 = 408,661,867.52 : x
  2. Step 2: Convert to fraction form
    756,342,379.52/1,043,752,487.04 = 408,661,867.52/x
  3. Step 3: Cross multiply
    756,342,379.52x = 1,043,752,487.04 × 408,661,867.52
  4. Step 4: Simplify right side
    756,342,379.52x = 426,541,840,582,410,944
  5. Step 5: Solve for x
    x = 426,541,840,582,410,944/756,342,379.52
  6. Step 6: Final answer
    x = 563,953,378.96

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1.5x scale

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.