Home / 1,331,675,563.16-1,837,637,506.30-728,844,958.59

Finding the Fourth Proportional to 1,331,675,563.16, 1,837,637,506.30 and 728,844,958.59

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Solution

The fourth proportional to 1,331,675,563.16, 1,837,637,506.30 and 728,844,958.59 is: 1,005,765,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,675,563.16 : 1,837,637,506.30 = 728,844,958.59 : x
  2. Step 2: Convert to fraction form
    1,331,675,563.16/1,837,637,506.30 = 728,844,958.59/x
  3. Step 3: Cross multiply
    1,331,675,563.16x = 1,837,637,506.30 × 728,844,958.59
  4. Step 4: Simplify right side
    1,331,675,563.16x = 1,339,352,832,178,374,144
  5. Step 5: Solve for x
    x = 1,339,352,832,178,374,144/1,331,675,563.16
  6. Step 6: Final answer
    x = 1,005,765,119.70

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Double scale
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1.5x scale

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.