Home / 345,516,854.40-474,275,202.66-305,481,632.40

Finding the Fourth Proportional to 345,516,854.40, 474,275,202.66 and 305,481,632.40

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Solution

The fourth proportional to 345,516,854.40, 474,275,202.66 and 305,481,632.40 is: 419,320,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,516,854.40 : 474,275,202.66 = 305,481,632.40 : x
  2. Step 2: Convert to fraction form
    345,516,854.40/474,275,202.66 = 305,481,632.40/x
  3. Step 3: Cross multiply
    345,516,854.40x = 474,275,202.66 × 305,481,632.40
  4. Step 4: Simplify right side
    345,516,854.40x = 144,882,363,115,417,632
  5. Step 5: Solve for x
    x = 144,882,363,115,417,632/345,516,854.40
  6. Step 6: Final answer
    x = 419,320,682.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.