Home / 1,868,660,219.70-2,802,990,329.55-488,614,230.90

Finding the Fourth Proportional to 1,868,660,219.70, 2,802,990,329.55 and 488,614,230.90

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Solution

The fourth proportional to 1,868,660,219.70, 2,802,990,329.55 and 488,614,230.90 is: 732,921,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,660,219.70 : 2,802,990,329.55 = 488,614,230.90 : x
  2. Step 2: Convert to fraction form
    1,868,660,219.70/2,802,990,329.55 = 488,614,230.90/x
  3. Step 3: Cross multiply
    1,868,660,219.70x = 2,802,990,329.55 × 488,614,230.90
  4. Step 4: Simplify right side
    1,868,660,219.70x = 1,369,580,964,093,210,880
  5. Step 5: Solve for x
    x = 1,369,580,964,093,210,880/1,868,660,219.70
  6. Step 6: Final answer
    x = 732,921,346.35

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Double scale
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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.