Home / 18,813,759,291.15-25,961,999,853.29-10,353,966,131.49

Finding the Fourth Proportional to 18,813,759,291.15, 25,961,999,853.29 and 10,353,966,131.49

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Solution

The fourth proportional to 18,813,759,291.15, 25,961,999,853.29 and 10,353,966,131.49 is: 14,287,929,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813,759,291.15 : 25,961,999,853.29 = 10,353,966,131.49 : x
  2. Step 2: Convert to fraction form
    18,813,759,291.15/25,961,999,853.29 = 10,353,966,131.49/x
  3. Step 3: Cross multiply
    18,813,759,291.15x = 25,961,999,853.29 × 10,353,966,131.49
  4. Step 4: Simplify right side
    18,813,759,291.15x = 268,809,667,186,661,228,544
  5. Step 5: Solve for x
    x = 268,809,667,186,661,228,544/18,813,759,291.15
  6. Step 6: Final answer
    x = 14,287,929,542.77

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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.