Home / 472,392,683.70-708,589,025.55-440,107,642.95

Finding the Fourth Proportional to 472,392,683.70, 708,589,025.55 and 440,107,642.95

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Solution

The fourth proportional to 472,392,683.70, 708,589,025.55 and 440,107,642.95 is: 660,161,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,683.70 : 708,589,025.55 = 440,107,642.95 : x
  2. Step 2: Convert to fraction form
    472,392,683.70/708,589,025.55 = 440,107,642.95/x
  3. Step 3: Cross multiply
    472,392,683.70x = 708,589,025.55 × 440,107,642.95
  4. Step 4: Simplify right side
    472,392,683.70x = 311,855,445,855,047,808
  5. Step 5: Solve for x
    x = 311,855,445,855,047,808/472,392,683.70
  6. Step 6: Final answer
    x = 660,161,464.43

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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.