Home / 630,064,614.03-869,489,324.96-347,807,218.83

Finding the Fourth Proportional to 630,064,614.03, 869,489,324.96 and 347,807,218.83

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Solution

The fourth proportional to 630,064,614.03, 869,489,324.96 and 347,807,218.83 is: 479,974,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,064,614.03 : 869,489,324.96 = 347,807,218.83 : x
  2. Step 2: Convert to fraction form
    630,064,614.03/869,489,324.96 = 347,807,218.83/x
  3. Step 3: Cross multiply
    630,064,614.03x = 869,489,324.96 × 347,807,218.83
  4. Step 4: Simplify right side
    630,064,614.03x = 302,414,663,914,972,672
  5. Step 5: Solve for x
    x = 302,414,663,914,972,672/630,064,614.03
  6. Step 6: Final answer
    x = 479,974,048.98

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1.5x scale

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.