Home / 445,078,169.76-614,126,661.38-256,837,790.87

Finding the Fourth Proportional to 445,078,169.76, 614,126,661.38 and 256,837,790.87

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Solution

The fourth proportional to 445,078,169.76, 614,126,661.38 and 256,837,790.87 is: 354,389,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,078,169.76 : 614,126,661.38 = 256,837,790.87 : x
  2. Step 2: Convert to fraction form
    445,078,169.76/614,126,661.38 = 256,837,790.87/x
  3. Step 3: Cross multiply
    445,078,169.76x = 614,126,661.38 × 256,837,790.87
  4. Step 4: Simplify right side
    445,078,169.76x = 157,730,935,018,852,928
  5. Step 5: Solve for x
    x = 157,730,935,018,852,928/445,078,169.76
  6. Step 6: Final answer
    x = 354,389,286.50

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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.