Home / 630,189,705.06-869,662,996.44-347,932,691.90

Finding the Fourth Proportional to 630,189,705.06, 869,662,996.44 and 347,932,691.90

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Solution

The fourth proportional to 630,189,705.06, 869,662,996.44 and 347,932,691.90 is: 480,147,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,189,705.06 : 869,662,996.44 = 347,932,691.90 : x
  2. Step 2: Convert to fraction form
    630,189,705.06/869,662,996.44 = 347,932,691.90/x
  3. Step 3: Cross multiply
    630,189,705.06x = 869,662,996.44 × 347,932,691.90
  4. Step 4: Simplify right side
    630,189,705.06x = 302,584,187,397,189,312
  5. Step 5: Solve for x
    x = 302,584,187,397,189,312/630,189,705.06
  6. Step 6: Final answer
    x = 480,147,779.26

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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.