Home / 9,199,431,295.61-12,695,190,095.39-5,130,337,420.89

Finding the Fourth Proportional to 9,199,431,295.61, 12,695,190,095.39 and 5,130,337,420.89

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Solution

The fourth proportional to 9,199,431,295.61, 12,695,190,095.39 and 5,130,337,420.89 is: 7,079,851,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199,431,295.61 : 12,695,190,095.39 = 5,130,337,420.89 : x
  2. Step 2: Convert to fraction form
    9,199,431,295.61/12,695,190,095.39 = 5,130,337,420.89/x
  3. Step 3: Cross multiply
    9,199,431,295.61x = 12,695,190,095.39 × 5,130,337,420.89
  4. Step 4: Simplify right side
    9,199,431,295.61x = 65,130,608,811,665,760,256
  5. Step 5: Solve for x
    x = 65,130,608,811,665,760,256/9,199,431,295.61
  6. Step 6: Final answer
    x = 7,079,851,647.22

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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.