Home / 13,210,434,091.18-18,230,402,021.61-7,269,986,593.18

Finding the Fourth Proportional to 13,210,434,091.18, 18,230,402,021.61 and 7,269,986,593.18

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Solution

The fourth proportional to 13,210,434,091.18, 18,230,402,021.61 and 7,269,986,593.18 is: 10,032,583,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,434,091.18 : 18,230,402,021.61 = 7,269,986,593.18 : x
  2. Step 2: Convert to fraction form
    13,210,434,091.18/18,230,402,021.61 = 7,269,986,593.18/x
  3. Step 3: Cross multiply
    13,210,434,091.18x = 18,230,402,021.61 × 7,269,986,593.18
  4. Step 4: Simplify right side
    13,210,434,091.18x = 132,534,778,285,406,355,456
  5. Step 5: Solve for x
    x = 132,534,778,285,406,355,456/13,210,434,091.18
  6. Step 6: Final answer
    x = 10,032,583,136.23

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Double scale
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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.