Home / 20,456,415,024.34-28,225,758,485.81-11,422,783,172.92

Finding the Fourth Proportional to 20,456,415,024.34, 28,225,758,485.81 and 11,422,783,172.92

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Solution

The fourth proportional to 20,456,415,024.34, 28,225,758,485.81 and 11,422,783,172.92 is: 15,761,154,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,456,415,024.34 : 28,225,758,485.81 = 11,422,783,172.92 : x
  2. Step 2: Convert to fraction form
    20,456,415,024.34/28,225,758,485.81 = 11,422,783,172.92/x
  3. Step 3: Cross multiply
    20,456,415,024.34x = 28,225,758,485.81 × 11,422,783,172.92
  4. Step 4: Simplify right side
    20,456,415,024.34x = 322,416,719,074,472,558,592
  5. Step 5: Solve for x
    x = 322,416,719,074,472,558,592/20,456,415,024.34
  6. Step 6: Final answer
    x = 15,761,154,566.47

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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.