Home / 756,975,914.30-1,135,463,871.45-739,969,802.30

Finding the Fourth Proportional to 756,975,914.30, 1,135,463,871.45 and 739,969,802.30

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Solution

The fourth proportional to 756,975,914.30, 1,135,463,871.45 and 739,969,802.30 is: 1,109,954,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,975,914.30 : 1,135,463,871.45 = 739,969,802.30 : x
  2. Step 2: Convert to fraction form
    756,975,914.30/1,135,463,871.45 = 739,969,802.30/x
  3. Step 3: Cross multiply
    756,975,914.30x = 1,135,463,871.45 × 739,969,802.30
  4. Step 4: Simplify right side
    756,975,914.30x = 840,208,976,475,649,152
  5. Step 5: Solve for x
    x = 840,208,976,475,649,152/756,975,914.30
  6. Step 6: Final answer
    x = 1,109,954,703.45

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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.