Home / 543,854,410.19-815,447,530.39-211,473,984.36

Finding the Fourth Proportional to 543,854,410.19, 815,447,530.39 and 211,473,984.36

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Solution

The fourth proportional to 543,854,410.19, 815,447,530.39 and 211,473,984.36 is: 317,081,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,854,410.19 : 815,447,530.39 = 211,473,984.36 : x
  2. Step 2: Convert to fraction form
    543,854,410.19/815,447,530.39 = 211,473,984.36/x
  3. Step 3: Cross multiply
    543,854,410.19x = 815,447,530.39 × 211,473,984.36
  4. Step 4: Simplify right side
    543,854,410.19x = 172,445,938,287,038,112
  5. Step 5: Solve for x
    x = 172,445,938,287,038,112/543,854,410.19
  6. Step 6: Final answer
    x = 317,081,069.97

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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.