Home / 743,561,487.18-1,026,109,178.13-409,026,806.19

Finding the Fourth Proportional to 743,561,487.18, 1,026,109,178.13 and 409,026,806.19

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Solution

The fourth proportional to 743,561,487.18, 1,026,109,178.13 and 409,026,806.19 is: 564,453,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,561,487.18 : 1,026,109,178.13 = 409,026,806.19 : x
  2. Step 2: Convert to fraction form
    743,561,487.18/1,026,109,178.13 = 409,026,806.19/x
  3. Step 3: Cross multiply
    743,561,487.18x = 1,026,109,178.13 × 409,026,806.19
  4. Step 4: Simplify right side
    743,561,487.18x = 419,706,159,927,629,120
  5. Step 5: Solve for x
    x = 419,706,159,927,629,120/743,561,487.18
  6. Step 6: Final answer
    x = 564,453,871.22

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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.