Home / 621,734,437-932,646,445.26-238,781,989

Finding the Fourth Proportional to 621,734,437, 932,646,445.26 and 238,781,989

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Solution

The fourth proportional to 621,734,437, 932,646,445.26 and 238,781,989 is: 358,190,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,734,437 : 932,646,445.26 = 238,781,989 : x
  2. Step 2: Convert to fraction form
    621,734,437/932,646,445.26 = 238,781,989/x
  3. Step 3: Cross multiply
    621,734,437x = 932,646,445.26 × 238,781,989
  4. Step 4: Simplify right side
    621,734,437x = 222,699,173,232,962,432
  5. Step 5: Solve for x
    x = 222,699,173,232,962,432/621,734,437
  6. Step 6: Final answer
    x = 358,190,185.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.