Home / 845,898,906.67-1,268,538,350.32-293,058,549.07

Finding the Fourth Proportional to 845,898,906.67, 1,268,538,350.32 and 293,058,549.07

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Solution

The fourth proportional to 845,898,906.67, 1,268,538,350.32 and 293,058,549.07 is: 439,480,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,898,906.67 : 1,268,538,350.32 = 293,058,549.07 : x
  2. Step 2: Convert to fraction form
    845,898,906.67/1,268,538,350.32 = 293,058,549.07/x
  3. Step 3: Cross multiply
    845,898,906.67x = 1,268,538,350.32 × 293,058,549.07
  4. Step 4: Simplify right side
    845,898,906.67x = 371,756,008,384,430,528
  5. Step 5: Solve for x
    x = 371,756,008,384,430,528/845,898,906.67
  6. Step 6: Final answer
    x = 439,480,421.90

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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.