Home / 1,393,824,888.17-2,090,806,804.79-397,993,615.93

Finding the Fourth Proportional to 1,393,824,888.17, 2,090,806,804.79 and 397,993,615.93

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Solution

The fourth proportional to 1,393,824,888.17, 2,090,806,804.79 and 397,993,615.93 is: 597,010,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,824,888.17 : 2,090,806,804.79 = 397,993,615.93 : x
  2. Step 2: Convert to fraction form
    1,393,824,888.17/2,090,806,804.79 = 397,993,615.93/x
  3. Step 3: Cross multiply
    1,393,824,888.17x = 2,090,806,804.79 × 397,993,615.93
  4. Step 4: Simplify right side
    1,393,824,888.17x = 832,127,760,451,517,824
  5. Step 5: Solve for x
    x = 832,127,760,451,517,824/1,393,824,888.17
  6. Step 6: Final answer
    x = 597,010,261.13

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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.