Home / 1,399,065,477.60-2,097,641,622.60-662,488,251.60

Finding the Fourth Proportional to 1,399,065,477.60, 2,097,641,622.60 and 662,488,251.60

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Solution

The fourth proportional to 1,399,065,477.60, 2,097,641,622.60 and 662,488,251.60 is: 993,279,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,065,477.60 : 2,097,641,622.60 = 662,488,251.60 : x
  2. Step 2: Convert to fraction form
    1,399,065,477.60/2,097,641,622.60 = 662,488,251.60/x
  3. Step 3: Cross multiply
    1,399,065,477.60x = 2,097,641,622.60 × 662,488,251.60
  4. Step 4: Simplify right side
    1,399,065,477.60x = 1,389,662,931,039,661,056
  5. Step 5: Solve for x
    x = 1,389,662,931,039,661,056/1,399,065,477.60
  6. Step 6: Final answer
    x = 993,279,409.21

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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.