Home / 984,140,038.20-1,475,202,287.70-574,985,580.60

Finding the Fourth Proportional to 984,140,038.20, 1,475,202,287.70 and 574,985,580.60

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Solution

The fourth proportional to 984,140,038.20, 1,475,202,287.70 and 574,985,580.60 is: 861,889,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,140,038.20 : 1,475,202,287.70 = 574,985,580.60 : x
  2. Step 2: Convert to fraction form
    984,140,038.20/1,475,202,287.70 = 574,985,580.60/x
  3. Step 3: Cross multiply
    984,140,038.20x = 1,475,202,287.70 × 574,985,580.60
  4. Step 4: Simplify right side
    984,140,038.20x = 848,220,043,895,632,768
  5. Step 5: Solve for x
    x = 848,220,043,895,632,768/984,140,038.20
  6. Step 6: Final answer
    x = 861,889,579.71

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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.