Home / 499,968,009.70-749,952,014.55-449,075,644.90

Finding the Fourth Proportional to 499,968,009.70, 749,952,014.55 and 449,075,644.90

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Solution

The fourth proportional to 499,968,009.70, 749,952,014.55 and 449,075,644.90 is: 673,613,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,968,009.70 : 749,952,014.55 = 449,075,644.90 : x
  2. Step 2: Convert to fraction form
    499,968,009.70/749,952,014.55 = 449,075,644.90/x
  3. Step 3: Cross multiply
    499,968,009.70x = 749,952,014.55 × 449,075,644.90
  4. Step 4: Simplify right side
    499,968,009.70x = 336,785,184,578,095,424
  5. Step 5: Solve for x
    x = 336,785,184,578,095,424/499,968,009.70
  6. Step 6: Final answer
    x = 673,613,467.35

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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.