Home / 29,502,095,431.68-40,687,161,950.52-20,911,530,388.32

Finding the Fourth Proportional to 29,502,095,431.68, 40,687,161,950.52 and 20,911,530,388.32

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Solution

The fourth proportional to 29,502,095,431.68, 40,687,161,950.52 and 20,911,530,388.32 is: 28,839,674,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,502,095,431.68 : 40,687,161,950.52 = 20,911,530,388.32 : x
  2. Step 2: Convert to fraction form
    29,502,095,431.68/40,687,161,950.52 = 20,911,530,388.32/x
  3. Step 3: Cross multiply
    29,502,095,431.68x = 40,687,161,950.52 × 20,911,530,388.32
  4. Step 4: Simplify right side
    29,502,095,431.68x = 850,830,823,542,796,189,696
  5. Step 5: Solve for x
    x = 850,830,823,542,796,189,696/29,502,095,431.68
  6. Step 6: Final answer
    x = 28,839,674,304.26

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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.