Home / 383,011,080.80-574,516,621.20-266,109,807.20

Finding the Fourth Proportional to 383,011,080.80, 574,516,621.20 and 266,109,807.20

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Solution

The fourth proportional to 383,011,080.80, 574,516,621.20 and 266,109,807.20 is: 399,164,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,011,080.80 : 574,516,621.20 = 266,109,807.20 : x
  2. Step 2: Convert to fraction form
    383,011,080.80/574,516,621.20 = 266,109,807.20/x
  3. Step 3: Cross multiply
    383,011,080.80x = 574,516,621.20 × 266,109,807.20
  4. Step 4: Simplify right side
    383,011,080.80x = 152,884,507,300,727,424
  5. Step 5: Solve for x
    x = 152,884,507,300,727,424/383,011,080.80
  6. Step 6: Final answer
    x = 399,164,710.80

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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.