Home / 1,157,541,722.80-1,738,328,123.40-613,346,138.80

Finding the Fourth Proportional to 1,157,541,722.80, 1,738,328,123.40 and 613,346,138.80

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Solution

The fourth proportional to 1,157,541,722.80, 1,738,328,123.40 and 613,346,138.80 is: 921,087,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,541,722.80 : 1,738,328,123.40 = 613,346,138.80 : x
  2. Step 2: Convert to fraction form
    1,157,541,722.80/1,738,328,123.40 = 613,346,138.80/x
  3. Step 3: Cross multiply
    1,157,541,722.80x = 1,738,328,123.40 × 613,346,138.80
  4. Step 4: Simplify right side
    1,157,541,722.80x = 1,066,196,842,454,839,936
  5. Step 5: Solve for x
    x = 1,066,196,842,454,839,936/1,157,541,722.80
  6. Step 6: Final answer
    x = 921,087,181.10

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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.