Home / 11,211,349,762.02-15,464,372,615.76-7,190,651,499.66

Finding the Fourth Proportional to 11,211,349,762.02, 15,464,372,615.76 and 7,190,651,499.66

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Solution

The fourth proportional to 11,211,349,762.02, 15,464,372,615.76 and 7,190,651,499.66 is: 9,918,423,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211,349,762.02 : 15,464,372,615.76 = 7,190,651,499.66 : x
  2. Step 2: Convert to fraction form
    11,211,349,762.02/15,464,372,615.76 = 7,190,651,499.66/x
  3. Step 3: Cross multiply
    11,211,349,762.02x = 15,464,372,615.76 × 7,190,651,499.66
  4. Step 4: Simplify right side
    11,211,349,762.02x = 111,198,914,140,815,687,680
  5. Step 5: Solve for x
    x = 111,198,914,140,815,687,680/11,211,349,762.02
  6. Step 6: Final answer
    x = 9,918,423,428.15

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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.