Home / 399,181,215.10-598,771,822.65-180,936,111.10

Finding the Fourth Proportional to 399,181,215.10, 598,771,822.65 and 180,936,111.10

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Solution

The fourth proportional to 399,181,215.10, 598,771,822.65 and 180,936,111.10 is: 271,404,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,181,215.10 : 598,771,822.65 = 180,936,111.10 : x
  2. Step 2: Convert to fraction form
    399,181,215.10/598,771,822.65 = 180,936,111.10/x
  3. Step 3: Cross multiply
    399,181,215.10x = 598,771,822.65 × 180,936,111.10
  4. Step 4: Simplify right side
    399,181,215.10x = 108,339,445,026,549,888
  5. Step 5: Solve for x
    x = 108,339,445,026,549,888/399,181,215.10
  6. Step 6: Final answer
    x = 271,404,166.65

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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.