Home / 630,064,614.98-869,489,326.25-347,807,219.78

Finding the Fourth Proportional to 630,064,614.98, 869,489,326.25 and 347,807,219.78

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Solution

The fourth proportional to 630,064,614.98, 869,489,326.25 and 347,807,219.78 is: 479,974,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,064,614.98 : 869,489,326.25 = 347,807,219.78 : x
  2. Step 2: Convert to fraction form
    630,064,614.98/869,489,326.25 = 347,807,219.78/x
  3. Step 3: Cross multiply
    630,064,614.98x = 869,489,326.25 × 347,807,219.78
  4. Step 4: Simplify right side
    630,064,614.98x = 302,414,665,191,397,824
  5. Step 5: Solve for x
    x = 302,414,665,191,397,824/630,064,614.98
  6. Step 6: Final answer
    x = 479,974,050.28

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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.