Home / 913,899,369.09-1,370,782,003.29-291,947,606.91

Finding the Fourth Proportional to 913,899,369.09, 1,370,782,003.29 and 291,947,606.91

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Solution

The fourth proportional to 913,899,369.09, 1,370,782,003.29 and 291,947,606.91 is: 437,899,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,899,369.09 : 1,370,782,003.29 = 291,947,606.91 : x
  2. Step 2: Convert to fraction form
    913,899,369.09/1,370,782,003.29 = 291,947,606.91/x
  3. Step 3: Cross multiply
    913,899,369.09x = 1,370,782,003.29 × 291,947,606.91
  4. Step 4: Simplify right side
    913,899,369.09x = 400,196,525,455,811,264
  5. Step 5: Solve for x
    x = 400,196,525,455,811,264/913,899,369.09
  6. Step 6: Final answer
    x = 437,899,990.95

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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.