Home / 40,046,790,109.77-55,264,630,888.69-21,735,854,352.90

Finding the Fourth Proportional to 40,046,790,109.77, 55,264,630,888.69 and 21,735,854,352.90

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Solution

The fourth proportional to 40,046,790,109.77, 55,264,630,888.69 and 21,735,854,352.90 is: 29,995,511,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046,790,109.77 : 55,264,630,888.69 = 21,735,854,352.90 : x
  2. Step 2: Convert to fraction form
    40,046,790,109.77/55,264,630,888.69 = 21,735,854,352.90/x
  3. Step 3: Cross multiply
    40,046,790,109.77x = 55,264,630,888.69 × 21,735,854,352.90
  4. Step 4: Simplify right side
    40,046,790,109.77x = 1,201,223,967,863,300,947,968
  5. Step 5: Solve for x
    x = 1,201,223,967,863,300,947,968/40,046,790,109.77
  6. Step 6: Final answer
    x = 29,995,511,864.26

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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.