Home / 874,378,786.08-1,310,761,056.24-437,299,131.36

Finding the Fourth Proportional to 874,378,786.08, 1,310,761,056.24 and 437,299,131.36

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Solution

The fourth proportional to 874,378,786.08, 1,310,761,056.24 and 437,299,131.36 is: 655,545,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,378,786.08 : 1,310,761,056.24 = 437,299,131.36 : x
  2. Step 2: Convert to fraction form
    874,378,786.08/1,310,761,056.24 = 437,299,131.36/x
  3. Step 3: Cross multiply
    874,378,786.08x = 1,310,761,056.24 × 437,299,131.36
  4. Step 4: Simplify right side
    874,378,786.08x = 573,194,671,314,268,160
  5. Step 5: Solve for x
    x = 573,194,671,314,268,160/874,378,786.08
  6. Step 6: Final answer
    x = 655,545,034.30

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1.5x scale

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.