Home / 720,652,585.24-1,080,590,009.46-326,964,541.24

Finding the Fourth Proportional to 720,652,585.24, 1,080,590,009.46 and 326,964,541.24

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Solution

The fourth proportional to 720,652,585.24, 1,080,590,009.46 and 326,964,541.24 is: 490,270,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,652,585.24 : 1,080,590,009.46 = 326,964,541.24 : x
  2. Step 2: Convert to fraction form
    720,652,585.24/1,080,590,009.46 = 326,964,541.24/x
  3. Step 3: Cross multiply
    720,652,585.24x = 1,080,590,009.46 × 326,964,541.24
  4. Step 4: Simplify right side
    720,652,585.24x = 353,314,616,711,616,192
  5. Step 5: Solve for x
    x = 353,314,616,711,616,192/720,652,585.24
  6. Step 6: Final answer
    x = 490,270,379.86

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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.