Home / 38,837,190,040.15-53,595,463,500.65-21,015,847,546.15

Finding the Fourth Proportional to 38,837,190,040.15, 53,595,463,500.65 and 21,015,847,546.15

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Solution

The fourth proportional to 38,837,190,040.15, 53,595,463,500.65 and 21,015,847,546.15 is: 29,001,946,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,837,190,040.15 : 53,595,463,500.65 = 21,015,847,546.15 : x
  2. Step 2: Convert to fraction form
    38,837,190,040.15/53,595,463,500.65 = 21,015,847,546.15/x
  3. Step 3: Cross multiply
    38,837,190,040.15x = 53,595,463,500.65 × 21,015,847,546.15
  4. Step 4: Simplify right side
    38,837,190,040.15x = 1,126,354,090,094,802,108,416
  5. Step 5: Solve for x
    x = 1,126,354,090,094,802,108,416/38,837,190,040.15
  6. Step 6: Final answer
    x = 29,001,946,045.28

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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.