Home / 1,758,866,581.20-2,640,903,276.60-984,059,720.40

Finding the Fourth Proportional to 1,758,866,581.20, 2,640,903,276.60 and 984,059,720.40

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Solution

The fourth proportional to 1,758,866,581.20, 2,640,903,276.60 and 984,059,720.40 is: 1,477,546,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,866,581.20 : 2,640,903,276.60 = 984,059,720.40 : x
  2. Step 2: Convert to fraction form
    1,758,866,581.20/2,640,903,276.60 = 984,059,720.40/x
  3. Step 3: Cross multiply
    1,758,866,581.20x = 2,640,903,276.60 × 984,059,720.40
  4. Step 4: Simplify right side
    1,758,866,581.20x = 2,598,806,539,974,439,936
  5. Step 5: Solve for x
    x = 2,598,806,539,974,439,936/1,758,866,581.20
  6. Step 6: Final answer
    x = 1,477,546,146.91

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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.