Home / 752,408,502.37-1,038,326,138.81-417,880,964.22

Finding the Fourth Proportional to 752,408,502.37, 1,038,326,138.81 and 417,880,964.22

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Solution

The fourth proportional to 752,408,502.37, 1,038,326,138.81 and 417,880,964.22 is: 576,677,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,408,502.37 : 1,038,326,138.81 = 417,880,964.22 : x
  2. Step 2: Convert to fraction form
    752,408,502.37/1,038,326,138.81 = 417,880,964.22/x
  3. Step 3: Cross multiply
    752,408,502.37x = 1,038,326,138.81 × 417,880,964.22
  4. Step 4: Simplify right side
    752,408,502.37x = 433,896,728,056,315,392
  5. Step 5: Solve for x
    x = 433,896,728,056,315,392/752,408,502.37
  6. Step 6: Final answer
    x = 576,677,066.63

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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.