Home / 910,289,332.64-1,256,199,280.56-492,601,617.76

Finding the Fourth Proportional to 910,289,332.64, 1,256,199,280.56 and 492,601,617.76

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Solution

The fourth proportional to 910,289,332.64, 1,256,199,280.56 and 492,601,617.76 is: 679,790,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,289,332.64 : 1,256,199,280.56 = 492,601,617.76 : x
  2. Step 2: Convert to fraction form
    910,289,332.64/1,256,199,280.56 = 492,601,617.76/x
  3. Step 3: Cross multiply
    910,289,332.64x = 1,256,199,280.56 × 492,601,617.76
  4. Step 4: Simplify right side
    910,289,332.64x = 618,805,797,832,804,096
  5. Step 5: Solve for x
    x = 618,805,797,832,804,096/910,289,332.64
  6. Step 6: Final answer
    x = 679,790,233.33

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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.