Home / 1,151,502,759.40-1,723,852,916.70-763,763,405.80

Finding the Fourth Proportional to 1,151,502,759.40, 1,723,852,916.70 and 763,763,405.80

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Solution

The fourth proportional to 1,151,502,759.40, 1,723,852,916.70 and 763,763,405.80 is: 1,143,389,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,502,759.40 : 1,723,852,916.70 = 763,763,405.80 : x
  2. Step 2: Convert to fraction form
    1,151,502,759.40/1,723,852,916.70 = 763,763,405.80/x
  3. Step 3: Cross multiply
    1,151,502,759.40x = 1,723,852,916.70 × 763,763,405.80
  4. Step 4: Simplify right side
    1,151,502,759.40x = 1,316,615,774,757,055,744
  5. Step 5: Solve for x
    x = 1,316,615,774,757,055,744/1,151,502,759.40
  6. Step 6: Final answer
    x = 1,143,389,161.69

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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.