Home / 10,915,902,698.79-15,063,945,607.71-5,903,650,122.36

Finding the Fourth Proportional to 10,915,902,698.79, 15,063,945,607.71 and 5,903,650,122.36

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Solution

The fourth proportional to 10,915,902,698.79, 15,063,945,607.71 and 5,903,650,122.36 is: 8,147,037,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,902,698.79 : 15,063,945,607.71 = 5,903,650,122.36 : x
  2. Step 2: Convert to fraction form
    10,915,902,698.79/15,063,945,607.71 = 5,903,650,122.36/x
  3. Step 3: Cross multiply
    10,915,902,698.79x = 15,063,945,607.71 × 5,903,650,122.36
  4. Step 4: Simplify right side
    10,915,902,698.79x = 88,932,264,330,181,509,120
  5. Step 5: Solve for x
    x = 88,932,264,330,181,509,120/10,915,902,698.79
  6. Step 6: Final answer
    x = 8,147,037,105.79

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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.