Home / 1,680,235,328.40-2,516,321,914.20-817,584,550.80

Finding the Fourth Proportional to 1,680,235,328.40, 2,516,321,914.20 and 817,584,550.80

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Solution

The fourth proportional to 1,680,235,328.40, 2,516,321,914.20 and 817,584,550.80 is: 1,224,415,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,235,328.40 : 2,516,321,914.20 = 817,584,550.80 : x
  2. Step 2: Convert to fraction form
    1,680,235,328.40/2,516,321,914.20 = 817,584,550.80/x
  3. Step 3: Cross multiply
    1,680,235,328.40x = 2,516,321,914.20 × 817,584,550.80
  4. Step 4: Simplify right side
    1,680,235,328.40x = 2,057,305,921,889,402,880
  5. Step 5: Solve for x
    x = 2,057,305,921,889,402,880/1,680,235,328.40
  6. Step 6: Final answer
    x = 1,224,415,346.54

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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.