Home / 1,084,014,744.20-1,626,022,116.30-780,172,209.80

Finding the Fourth Proportional to 1,084,014,744.20, 1,626,022,116.30 and 780,172,209.80

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Solution

The fourth proportional to 1,084,014,744.20, 1,626,022,116.30 and 780,172,209.80 is: 1,170,258,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,014,744.20 : 1,626,022,116.30 = 780,172,209.80 : x
  2. Step 2: Convert to fraction form
    1,084,014,744.20/1,626,022,116.30 = 780,172,209.80/x
  3. Step 3: Cross multiply
    1,084,014,744.20x = 1,626,022,116.30 × 780,172,209.80
  4. Step 4: Simplify right side
    1,084,014,744.20x = 1,268,577,267,657,443,584
  5. Step 5: Solve for x
    x = 1,268,577,267,657,443,584/1,084,014,744.20
  6. Step 6: Final answer
    x = 1,170,258,314.70

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Double scale
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1.5x scale

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.