Home / 581,780,678.78-872,646,605.10-270,781,322.54

Finding the Fourth Proportional to 581,780,678.78, 872,646,605.10 and 270,781,322.54

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Solution

The fourth proportional to 581,780,678.78, 872,646,605.10 and 270,781,322.54 is: 406,160,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,780,678.78 : 872,646,605.10 = 270,781,322.54 : x
  2. Step 2: Convert to fraction form
    581,780,678.78/872,646,605.10 = 270,781,322.54/x
  3. Step 3: Cross multiply
    581,780,678.78x = 872,646,605.10 × 270,781,322.54
  4. Step 4: Simplify right side
    581,780,678.78x = 236,296,401,839,019,136
  5. Step 5: Solve for x
    x = 236,296,401,839,019,136/581,780,678.78
  6. Step 6: Final answer
    x = 406,160,621.10

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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.