Home / 2,166,585,113.61-2,989,844,752.55-1,274,608,240.65

Finding the Fourth Proportional to 2,166,585,113.61, 2,989,844,752.55 and 1,274,608,240.65

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Solution

The fourth proportional to 2,166,585,113.61, 2,989,844,752.55 and 1,274,608,240.65 is: 1,758,934,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,585,113.61 : 2,989,844,752.55 = 1,274,608,240.65 : x
  2. Step 2: Convert to fraction form
    2,166,585,113.61/2,989,844,752.55 = 1,274,608,240.65/x
  3. Step 3: Cross multiply
    2,166,585,113.61x = 2,989,844,752.55 × 1,274,608,240.65
  4. Step 4: Simplify right side
    2,166,585,113.61x = 3,810,880,759,858,017,280
  5. Step 5: Solve for x
    x = 3,810,880,759,858,017,280/2,166,585,113.61
  6. Step 6: Final answer
    x = 1,758,934,249.07

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.