Home / 406,513,987.62-609,428,191.05-176,309,682.36

Finding the Fourth Proportional to 406,513,987.62, 609,428,191.05 and 176,309,682.36

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Solution

The fourth proportional to 406,513,987.62, 609,428,191.05 and 176,309,682.36 is: 264,315,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,513,987.62 : 609,428,191.05 = 176,309,682.36 : x
  2. Step 2: Convert to fraction form
    406,513,987.62/609,428,191.05 = 176,309,682.36/x
  3. Step 3: Cross multiply
    406,513,987.62x = 609,428,191.05 × 176,309,682.36
  4. Step 4: Simplify right side
    406,513,987.62x = 107,448,090,785,254,896
  5. Step 5: Solve for x
    x = 107,448,090,785,254,896/406,513,987.62
  6. Step 6: Final answer
    x = 264,315,851.50

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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.