Home / 1,088,291,002.39-1,632,268,230.92-398,036,840.47

Finding the Fourth Proportional to 1,088,291,002.39, 1,632,268,230.92 and 398,036,840.47

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Solution

The fourth proportional to 1,088,291,002.39, 1,632,268,230.92 and 398,036,840.47 is: 596,993,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,291,002.39 : 1,632,268,230.92 = 398,036,840.47 : x
  2. Step 2: Convert to fraction form
    1,088,291,002.39/1,632,268,230.92 = 398,036,840.47/x
  3. Step 3: Cross multiply
    1,088,291,002.39x = 1,632,268,230.92 × 398,036,840.47
  4. Step 4: Simplify right side
    1,088,291,002.39x = 649,702,889,432,963,072
  5. Step 5: Solve for x
    x = 649,702,889,432,963,072/1,088,291,002.39
  6. Step 6: Final answer
    x = 596,993,715.84

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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.