Home / 1,123,632,004.20-1,685,448,006.30-716,493,085.80

Finding the Fourth Proportional to 1,123,632,004.20, 1,685,448,006.30 and 716,493,085.80

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Solution

The fourth proportional to 1,123,632,004.20, 1,685,448,006.30 and 716,493,085.80 is: 1,074,739,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,632,004.20 : 1,685,448,006.30 = 716,493,085.80 : x
  2. Step 2: Convert to fraction form
    1,123,632,004.20/1,685,448,006.30 = 716,493,085.80/x
  3. Step 3: Cross multiply
    1,123,632,004.20x = 1,685,448,006.30 × 716,493,085.80
  4. Step 4: Simplify right side
    1,123,632,004.20x = 1,207,611,842,989,344,768
  5. Step 5: Solve for x
    x = 1,207,611,842,989,344,768/1,123,632,004.20
  6. Step 6: Final answer
    x = 1,074,739,628.70

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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.