Home / 28,168,022,024.40-42,252,033,036.60-15,107,328,008.40

Finding the Fourth Proportional to 28,168,022,024.40, 42,252,033,036.60 and 15,107,328,008.40

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Solution

The fourth proportional to 28,168,022,024.40, 42,252,033,036.60 and 15,107,328,008.40 is: 22,660,992,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168,022,024.40 : 42,252,033,036.60 = 15,107,328,008.40 : x
  2. Step 2: Convert to fraction form
    28,168,022,024.40/42,252,033,036.60 = 15,107,328,008.40/x
  3. Step 3: Cross multiply
    28,168,022,024.40x = 42,252,033,036.60 × 15,107,328,008.40
  4. Step 4: Simplify right side
    28,168,022,024.40x = 638,315,322,105,669,222,400
  5. Step 5: Solve for x
    x = 638,315,322,105,669,222,400/28,168,022,024.40
  6. Step 6: Final answer
    x = 22,660,992,012.60

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1.5x scale

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.