Home / 499,968,008.70-749,952,013.05-449,075,643.90

Finding the Fourth Proportional to 499,968,008.70, 749,952,013.05 and 449,075,643.90

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Solution

The fourth proportional to 499,968,008.70, 749,952,013.05 and 449,075,643.90 is: 673,613,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,968,008.70 : 749,952,013.05 = 449,075,643.90 : x
  2. Step 2: Convert to fraction form
    499,968,008.70/749,952,013.05 = 449,075,643.90/x
  3. Step 3: Cross multiply
    499,968,008.70x = 749,952,013.05 × 449,075,643.90
  4. Step 4: Simplify right side
    499,968,008.70x = 336,785,183,154,529,920
  5. Step 5: Solve for x
    x = 336,785,183,154,529,920/499,968,008.70
  6. Step 6: Final answer
    x = 673,613,465.85

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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.