Home / 9,199,431,296.61-12,695,190,096.77-5,130,337,421.89

Finding the Fourth Proportional to 9,199,431,296.61, 12,695,190,096.77 and 5,130,337,421.89

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Solution

The fourth proportional to 9,199,431,296.61, 12,695,190,096.77 and 5,130,337,421.89 is: 7,079,851,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199,431,296.61 : 12,695,190,096.77 = 5,130,337,421.89 : x
  2. Step 2: Convert to fraction form
    9,199,431,296.61/12,695,190,096.77 = 5,130,337,421.89/x
  3. Step 3: Cross multiply
    9,199,431,296.61x = 12,695,190,096.77 × 5,130,337,421.89
  4. Step 4: Simplify right side
    9,199,431,296.61x = 65,130,608,831,466,471,424
  5. Step 5: Solve for x
    x = 65,130,608,831,466,471,424/9,199,431,296.61
  6. Step 6: Final answer
    x = 7,079,851,648.60

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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.