Home / 919,458,064.80-1,379,183,468.40-273,225,808.80

Finding the Fourth Proportional to 919,458,064.80, 1,379,183,468.40 and 273,225,808.80

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Solution

The fourth proportional to 919,458,064.80, 1,379,183,468.40 and 273,225,808.80 is: 409,837,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,458,064.80 : 1,379,183,468.40 = 273,225,808.80 : x
  2. Step 2: Convert to fraction form
    919,458,064.80/1,379,183,468.40 = 273,225,808.80/x
  3. Step 3: Cross multiply
    919,458,064.80x = 1,379,183,468.40 × 273,225,808.80
  4. Step 4: Simplify right side
    919,458,064.80x = 376,828,518,637,179,264
  5. Step 5: Solve for x
    x = 376,828,518,637,179,264/919,458,064.80
  6. Step 6: Final answer
    x = 409,837,634.87

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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.