Home / 397,827,482.04-548,977,188.61-219,201,374.27

Finding the Fourth Proportional to 397,827,482.04, 548,977,188.61 and 219,201,374.27

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Solution

The fourth proportional to 397,827,482.04, 548,977,188.61 and 219,201,374.27 is: 302,484,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,827,482.04 : 548,977,188.61 = 219,201,374.27 : x
  2. Step 2: Convert to fraction form
    397,827,482.04/548,977,188.61 = 219,201,374.27/x
  3. Step 3: Cross multiply
    397,827,482.04x = 548,977,188.61 × 219,201,374.27
  4. Step 4: Simplify right side
    397,827,482.04x = 120,336,554,186,193,008
  5. Step 5: Solve for x
    x = 120,336,554,186,193,008/397,827,482.04
  6. Step 6: Final answer
    x = 302,484,266.72

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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.