Home / 910,288,758.60-1,256,198,491.26-492,601,048.02

Finding the Fourth Proportional to 910,288,758.60, 1,256,198,491.26 and 492,601,048.02

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Solution

The fourth proportional to 910,288,758.60, 1,256,198,491.26 and 492,601,048.02 is: 679,789,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,288,758.60 : 1,256,198,491.26 = 492,601,048.02 : x
  2. Step 2: Convert to fraction form
    910,288,758.60/1,256,198,491.26 = 492,601,048.02/x
  3. Step 3: Cross multiply
    910,288,758.60x = 1,256,198,491.26 × 492,601,048.02
  4. Step 4: Simplify right side
    910,288,758.60x = 618,804,693,315,818,752
  5. Step 5: Solve for x
    x = 618,804,693,315,818,752/910,288,758.60
  6. Step 6: Final answer
    x = 679,789,448.64

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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.