Home / 428,053,202.81-590,716,443.18-232,482,914.81

Finding the Fourth Proportional to 428,053,202.81, 590,716,443.18 and 232,482,914.81

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Solution

The fourth proportional to 428,053,202.81, 590,716,443.18 and 232,482,914.81 is: 320,828,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,053,202.81 : 590,716,443.18 = 232,482,914.81 : x
  2. Step 2: Convert to fraction form
    428,053,202.81/590,716,443.18 = 232,482,914.81/x
  3. Step 3: Cross multiply
    428,053,202.81x = 590,716,443.18 × 232,482,914.81
  4. Step 4: Simplify right side
    428,053,202.81x = 137,331,480,532,566,144
  5. Step 5: Solve for x
    x = 137,331,480,532,566,144/428,053,202.81
  6. Step 6: Final answer
    x = 320,828,064.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.