Home / 398,568,965.40-597,853,448.10-183,578,117.40

Finding the Fourth Proportional to 398,568,965.40, 597,853,448.10 and 183,578,117.40

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Solution

The fourth proportional to 398,568,965.40, 597,853,448.10 and 183,578,117.40 is: 275,367,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,568,965.40 : 597,853,448.10 = 183,578,117.40 : x
  2. Step 2: Convert to fraction form
    398,568,965.40/597,853,448.10 = 183,578,117.40/x
  3. Step 3: Cross multiply
    398,568,965.40x = 597,853,448.10 × 183,578,117.40
  4. Step 4: Simplify right side
    398,568,965.40x = 109,752,810,483,296,608
  5. Step 5: Solve for x
    x = 109,752,810,483,296,608/398,568,965.40
  6. Step 6: Final answer
    x = 275,367,176.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.