Home / 1,151,502,753.40-1,723,852,907.70-763,763,399.80

Finding the Fourth Proportional to 1,151,502,753.40, 1,723,852,907.70 and 763,763,399.80

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Solution

The fourth proportional to 1,151,502,753.40, 1,723,852,907.70 and 763,763,399.80 is: 1,143,389,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,502,753.40 : 1,723,852,907.70 = 763,763,399.80 : x
  2. Step 2: Convert to fraction form
    1,151,502,753.40/1,723,852,907.70 = 763,763,399.80/x
  3. Step 3: Cross multiply
    1,151,502,753.40x = 1,723,852,907.70 × 763,763,399.80
  4. Step 4: Simplify right side
    1,151,502,753.40x = 1,316,615,757,540,067,584
  5. Step 5: Solve for x
    x = 1,316,615,757,540,067,584/1,151,502,753.40
  6. Step 6: Final answer
    x = 1,143,389,152.70

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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.