Home / 309,789,564.29-464,392,206.86-154,196,266.34

Finding the Fourth Proportional to 309,789,564.29, 464,392,206.86 and 154,196,266.34

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Solution

The fourth proportional to 309,789,564.29, 464,392,206.86 and 154,196,266.34 is: 231,148,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,789,564.29 : 464,392,206.86 = 154,196,266.34 : x
  2. Step 2: Convert to fraction form
    309,789,564.29/464,392,206.86 = 154,196,266.34/x
  3. Step 3: Cross multiply
    309,789,564.29x = 464,392,206.86 × 154,196,266.34
  4. Step 4: Simplify right side
    309,789,564.29x = 71,607,544,415,594,936
  5. Step 5: Solve for x
    x = 71,607,544,415,594,936/309,789,564.29
  6. Step 6: Final answer
    x = 231,148,988.44

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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.