Home / 383,618,405.80-575,427,608.70-266,717,132.20

Finding the Fourth Proportional to 383,618,405.80, 575,427,608.70 and 266,717,132.20

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Solution

The fourth proportional to 383,618,405.80, 575,427,608.70 and 266,717,132.20 is: 400,075,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,618,405.80 : 575,427,608.70 = 266,717,132.20 : x
  2. Step 2: Convert to fraction form
    383,618,405.80/575,427,608.70 = 266,717,132.20/x
  3. Step 3: Cross multiply
    383,618,405.80x = 575,427,608.70 × 266,717,132.20
  4. Step 4: Simplify right side
    383,618,405.80x = 153,476,401,581,167,776
  5. Step 5: Solve for x
    x = 153,476,401,581,167,776/383,618,405.80
  6. Step 6: Final answer
    x = 400,075,698.30

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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.