Home / 1,120,054,845.60-1,681,593,922.80-890,283,376.80

Finding the Fourth Proportional to 1,120,054,845.60, 1,681,593,922.80 and 890,283,376.80

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Solution

The fourth proportional to 1,120,054,845.60, 1,681,593,922.80 and 890,283,376.80 is: 1,336,626,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,054,845.60 : 1,681,593,922.80 = 890,283,376.80 : x
  2. Step 2: Convert to fraction form
    1,120,054,845.60/1,681,593,922.80 = 890,283,376.80/x
  3. Step 3: Cross multiply
    1,120,054,845.60x = 1,681,593,922.80 × 890,283,376.80
  4. Step 4: Simplify right side
    1,120,054,845.60x = 1,497,095,115,996,742,400
  5. Step 5: Solve for x
    x = 1,497,095,115,996,742,400/1,120,054,845.60
  6. Step 6: Final answer
    x = 1,336,626,614.20

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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.