Home / 840,822,796.07-1,261,229,606.28-342,831,356.91

Finding the Fourth Proportional to 840,822,796.07, 1,261,229,606.28 and 342,831,356.91

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Solution

The fourth proportional to 840,822,796.07, 1,261,229,606.28 and 342,831,356.91 is: 514,245,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,822,796.07 : 1,261,229,606.28 = 342,831,356.91 : x
  2. Step 2: Convert to fraction form
    840,822,796.07/1,261,229,606.28 = 342,831,356.91/x
  3. Step 3: Cross multiply
    840,822,796.07x = 1,261,229,606.28 × 342,831,356.91
  4. Step 4: Simplify right side
    840,822,796.07x = 432,389,057,296,037,504
  5. Step 5: Solve for x
    x = 432,389,057,296,037,504/840,822,796.07
  6. Step 6: Final answer
    x = 514,245,164.76

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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.