Home / 543,751,209.28-750,179,832.78-355,686,851.08

Finding the Fourth Proportional to 543,751,209.28, 750,179,832.78 and 355,686,851.08

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Solution

The fourth proportional to 543,751,209.28, 750,179,832.78 and 355,686,851.08 is: 490,719,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,751,209.28 : 750,179,832.78 = 355,686,851.08 : x
  2. Step 2: Convert to fraction form
    543,751,209.28/750,179,832.78 = 355,686,851.08/x
  3. Step 3: Cross multiply
    543,751,209.28x = 750,179,832.78 × 355,686,851.08
  4. Step 4: Simplify right side
    543,751,209.28x = 266,829,102,465,239,136
  5. Step 5: Solve for x
    x = 266,829,102,465,239,136/543,751,209.28
  6. Step 6: Final answer
    x = 490,719,097.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.