Home / 428,229,089.58-590,956,143.60-242,590,105.26

Finding the Fourth Proportional to 428,229,089.58, 590,956,143.60 and 242,590,105.26

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Solution

The fourth proportional to 428,229,089.58, 590,956,143.60 and 242,590,105.26 is: 334,774,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,229,089.58 : 590,956,143.60 = 242,590,105.26 : x
  2. Step 2: Convert to fraction form
    428,229,089.58/590,956,143.60 = 242,590,105.26/x
  3. Step 3: Cross multiply
    428,229,089.58x = 590,956,143.60 × 242,590,105.26
  4. Step 4: Simplify right side
    428,229,089.58x = 143,360,113,079,967,680
  5. Step 5: Solve for x
    x = 143,360,113,079,967,680/428,229,089.58
  6. Step 6: Final answer
    x = 334,774,345.25

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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.