Home / 288,937,478.32-433,405,048.80-104,661,828.16

Finding the Fourth Proportional to 288,937,478.32, 433,405,048.80 and 104,661,828.16

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Solution

The fourth proportional to 288,937,478.32, 433,405,048.80 and 104,661,828.16 is: 156,992,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,937,478.32 : 433,405,048.80 = 104,661,828.16 : x
  2. Step 2: Convert to fraction form
    288,937,478.32/433,405,048.80 = 104,661,828.16/x
  3. Step 3: Cross multiply
    288,937,478.32x = 433,405,048.80 × 104,661,828.16
  4. Step 4: Simplify right side
    288,937,478.32x = 45,360,964,741,182,016
  5. Step 5: Solve for x
    x = 45,360,964,741,182,016/288,937,478.32
  6. Step 6: Final answer
    x = 156,992,318.91

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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.