Home / 892,401,392.09-1,230,215,991.01-623,642,814.23

Finding the Fourth Proportional to 892,401,392.09, 1,230,215,991.01 and 623,642,814.23

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Solution

The fourth proportional to 892,401,392.09, 1,230,215,991.01 and 623,642,814.23 is: 859,720,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,401,392.09 : 1,230,215,991.01 = 623,642,814.23 : x
  2. Step 2: Convert to fraction form
    892,401,392.09/1,230,215,991.01 = 623,642,814.23/x
  3. Step 3: Cross multiply
    892,401,392.09x = 1,230,215,991.01 × 623,642,814.23
  4. Step 4: Simplify right side
    892,401,392.09x = 767,215,362,736,514,560
  5. Step 5: Solve for x
    x = 767,215,362,736,514,560/892,401,392.09
  6. Step 6: Final answer
    x = 859,720,042.50

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Double scale
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1.5x scale

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.