Home / 9,970,478,997.20-13,687,210,299.70-8,558,331,350.48

Finding the Fourth Proportional to 9,970,478,997.20, 13,687,210,299.70 and 8,558,331,350.48

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Solution

The fourth proportional to 9,970,478,997.20, 13,687,210,299.70 and 8,558,331,350.48 is: 11,748,651,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970,478,997.20 : 13,687,210,299.70 = 8,558,331,350.48 : x
  2. Step 2: Convert to fraction form
    9,970,478,997.20/13,687,210,299.70 = 8,558,331,350.48/x
  3. Step 3: Cross multiply
    9,970,478,997.20x = 13,687,210,299.70 × 8,558,331,350.48
  4. Step 4: Simplify right side
    9,970,478,997.20x = 117,139,681,008,535,273,472
  5. Step 5: Solve for x
    x = 117,139,681,008,535,273,472/9,970,478,997.20
  6. Step 6: Final answer
    x = 11,748,651,297.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.