Home / 27,007,778,499.38-40,507,990,218.95-7,108,999,589.18

Finding the Fourth Proportional to 27,007,778,499.38, 40,507,990,218.95 and 7,108,999,589.18

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Solution

The fourth proportional to 27,007,778,499.38, 40,507,990,218.95 and 7,108,999,589.18 is: 10,662,531,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,007,778,499.38 : 40,507,990,218.95 = 7,108,999,589.18 : x
  2. Step 2: Convert to fraction form
    27,007,778,499.38/40,507,990,218.95 = 7,108,999,589.18/x
  3. Step 3: Cross multiply
    27,007,778,499.38x = 40,507,990,218.95 × 7,108,999,589.18
  4. Step 4: Simplify right side
    27,007,778,499.38x = 287,971,285,824,784,924,672
  5. Step 5: Solve for x
    x = 287,971,285,824,784,924,672/27,007,778,499.38
  6. Step 6: Final answer
    x = 10,662,531,382.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.