Home / 460,899,415.80-691,349,123.70-453,246,665.40

Finding the Fourth Proportional to 460,899,415.80, 691,349,123.70 and 453,246,665.40

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Solution

The fourth proportional to 460,899,415.80, 691,349,123.70 and 453,246,665.40 is: 679,869,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,899,415.80 : 691,349,123.70 = 453,246,665.40 : x
  2. Step 2: Convert to fraction form
    460,899,415.80/691,349,123.70 = 453,246,665.40/x
  3. Step 3: Cross multiply
    460,899,415.80x = 691,349,123.70 × 453,246,665.40
  4. Step 4: Simplify right side
    460,899,415.80x = 313,351,684,944,237,120
  5. Step 5: Solve for x
    x = 313,351,684,944,237,120/460,899,415.80
  6. Step 6: Final answer
    x = 679,869,998.10

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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.