Home / 688,568,285.44-950,218,095.36-375,302,483.20

Finding the Fourth Proportional to 688,568,285.44, 950,218,095.36 and 375,302,483.20

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Solution

The fourth proportional to 688,568,285.44, 950,218,095.36 and 375,302,483.20 is: 517,914,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,568,285.44 : 950,218,095.36 = 375,302,483.20 : x
  2. Step 2: Convert to fraction form
    688,568,285.44/950,218,095.36 = 375,302,483.20/x
  3. Step 3: Cross multiply
    688,568,285.44x = 950,218,095.36 × 375,302,483.20
  4. Step 4: Simplify right side
    688,568,285.44x = 356,619,210,770,182,400
  5. Step 5: Solve for x
    x = 356,619,210,770,182,400/688,568,285.44
  6. Step 6: Final answer
    x = 517,914,081.02

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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.