Home / 395,283,285.10-545,490,985.15-219,082,656.30

Finding the Fourth Proportional to 395,283,285.10, 545,490,985.15 and 219,082,656.30

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Solution

The fourth proportional to 395,283,285.10, 545,490,985.15 and 219,082,656.30 is: 302,334,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,283,285.10 : 545,490,985.15 = 219,082,656.30 : x
  2. Step 2: Convert to fraction form
    395,283,285.10/545,490,985.15 = 219,082,656.30/x
  3. Step 3: Cross multiply
    395,283,285.10x = 545,490,985.15 × 219,082,656.30
  4. Step 4: Simplify right side
    395,283,285.10x = 119,507,614,014,365,856
  5. Step 5: Solve for x
    x = 119,507,614,014,365,856/395,283,285.10
  6. Step 6: Final answer
    x = 302,334,094.35

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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.