Home / 38,837,190,039.90-53,595,463,500.30-21,015,847,545.90

Finding the Fourth Proportional to 38,837,190,039.90, 53,595,463,500.30 and 21,015,847,545.90

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Solution

The fourth proportional to 38,837,190,039.90, 53,595,463,500.30 and 21,015,847,545.90 is: 29,001,946,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,837,190,039.90 : 53,595,463,500.30 = 21,015,847,545.90 : x
  2. Step 2: Convert to fraction form
    38,837,190,039.90/53,595,463,500.30 = 21,015,847,545.90/x
  3. Step 3: Cross multiply
    38,837,190,039.90x = 53,595,463,500.30 × 21,015,847,545.90
  4. Step 4: Simplify right side
    38,837,190,039.90x = 1,126,354,090,074,152,894,464
  5. Step 5: Solve for x
    x = 1,126,354,090,074,152,894,464/38,837,190,039.90
  6. Step 6: Final answer
    x = 29,001,946,044.94

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Double scale
Find fourth proportional to 38,837,190,040.90, 53,595,463,501.68 and 21,015,847,546.90
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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.