Home / 648,190,178.16-972,328,526.10-227,961,131.64

Finding the Fourth Proportional to 648,190,178.16, 972,328,526.10 and 227,961,131.64

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Solution

The fourth proportional to 648,190,178.16, 972,328,526.10 and 227,961,131.64 is: 341,956,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,190,178.16 : 972,328,526.10 = 227,961,131.64 : x
  2. Step 2: Convert to fraction form
    648,190,178.16/972,328,526.10 = 227,961,131.64/x
  3. Step 3: Cross multiply
    648,190,178.16x = 972,328,526.10 × 227,961,131.64
  4. Step 4: Simplify right side
    648,190,178.16x = 221,653,111,135,609,280
  5. Step 5: Solve for x
    x = 221,653,111,135,609,280/648,190,178.16
  6. Step 6: Final answer
    x = 341,956,911.11

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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.