Home / 395,283,281.10-545,490,979.64-219,082,652.29

Finding the Fourth Proportional to 395,283,281.10, 545,490,979.64 and 219,082,652.29

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Solution

The fourth proportional to 395,283,281.10, 545,490,979.64 and 219,082,652.29 is: 302,334,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,283,281.10 : 545,490,979.64 = 219,082,652.29 : x
  2. Step 2: Convert to fraction form
    395,283,281.10/545,490,979.64 = 219,082,652.29/x
  3. Step 3: Cross multiply
    395,283,281.10x = 545,490,979.64 × 219,082,652.29
  4. Step 4: Simplify right side
    395,283,281.10x = 119,507,610,619,801,584
  5. Step 5: Solve for x
    x = 119,507,610,619,801,584/395,283,281.10
  6. Step 6: Final answer
    x = 302,334,088.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.