Home / 1,120,054,847.60-1,681,593,925.80-890,283,378.80

Finding the Fourth Proportional to 1,120,054,847.60, 1,681,593,925.80 and 890,283,378.80

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Solution

The fourth proportional to 1,120,054,847.60, 1,681,593,925.80 and 890,283,378.80 is: 1,336,626,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,054,847.60 : 1,681,593,925.80 = 890,283,378.80 : x
  2. Step 2: Convert to fraction form
    1,120,054,847.60/1,681,593,925.80 = 890,283,378.80/x
  3. Step 3: Cross multiply
    1,120,054,847.60x = 1,681,593,925.80 × 890,283,378.80
  4. Step 4: Simplify right side
    1,120,054,847.60x = 1,497,095,122,030,780,416
  5. Step 5: Solve for x
    x = 1,497,095,122,030,780,416/1,120,054,847.60
  6. Step 6: Final answer
    x = 1,336,626,617.20

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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.