Home / 1,608,140,520.80-2,411,525,222.32-611,991,567.20

Finding the Fourth Proportional to 1,608,140,520.80, 2,411,525,222.32 and 611,991,567.20

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Solution

The fourth proportional to 1,608,140,520.80, 2,411,525,222.32 and 611,991,567.20 is: 917,726,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,140,520.80 : 2,411,525,222.32 = 611,991,567.20 : x
  2. Step 2: Convert to fraction form
    1,608,140,520.80/2,411,525,222.32 = 611,991,567.20/x
  3. Step 3: Cross multiply
    1,608,140,520.80x = 2,411,525,222.32 × 611,991,567.20
  4. Step 4: Simplify right side
    1,608,140,520.80x = 1,475,833,100,149,945,344
  5. Step 5: Solve for x
    x = 1,475,833,100,149,945,344/1,608,140,520.80
  6. Step 6: Final answer
    x = 917,726,455.53

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Double scale
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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.