Home / 1,149,623,223.50-1,586,480,743.44-620,987,443.11

Finding the Fourth Proportional to 1,149,623,223.50, 1,586,480,743.44 and 620,987,443.11

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Solution

The fourth proportional to 1,149,623,223.50, 1,586,480,743.44 and 620,987,443.11 is: 856,963,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,623,223.50 : 1,586,480,743.44 = 620,987,443.11 : x
  2. Step 2: Convert to fraction form
    1,149,623,223.50/1,586,480,743.44 = 620,987,443.11/x
  3. Step 3: Cross multiply
    1,149,623,223.50x = 1,586,480,743.44 × 620,987,443.11
  4. Step 4: Simplify right side
    1,149,623,223.50x = 985,184,620,401,020,160
  5. Step 5: Solve for x
    x = 985,184,620,401,020,160/1,149,623,223.50
  6. Step 6: Final answer
    x = 856,963,046.91

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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.