Home / 1,367,505,345.40-2,051,258,018.10-398,188,583.80

Finding the Fourth Proportional to 1,367,505,345.40, 2,051,258,018.10 and 398,188,583.80

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Solution

The fourth proportional to 1,367,505,345.40, 2,051,258,018.10 and 398,188,583.80 is: 597,282,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,505,345.40 : 2,051,258,018.10 = 398,188,583.80 : x
  2. Step 2: Convert to fraction form
    1,367,505,345.40/2,051,258,018.10 = 398,188,583.80/x
  3. Step 3: Cross multiply
    1,367,505,345.40x = 2,051,258,018.10 × 398,188,583.80
  4. Step 4: Simplify right side
    1,367,505,345.40x = 816,787,525,235,633,792
  5. Step 5: Solve for x
    x = 816,787,525,235,633,792/1,367,505,345.40
  6. Step 6: Final answer
    x = 597,282,875.70

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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.