Home / 9,942,755,364.50-13,720,807,911.57-5,426,666,789.90

Finding the Fourth Proportional to 9,942,755,364.50, 13,720,807,911.57 and 5,426,666,789.90

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Solution

The fourth proportional to 9,942,755,364.50, 13,720,807,911.57 and 5,426,666,789.90 is: 7,488,694,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942,755,364.50 : 13,720,807,911.57 = 5,426,666,789.90 : x
  2. Step 2: Convert to fraction form
    9,942,755,364.50/13,720,807,911.57 = 5,426,666,789.90/x
  3. Step 3: Cross multiply
    9,942,755,364.50x = 13,720,807,911.57 × 5,426,666,789.90
  4. Step 4: Simplify right side
    9,942,755,364.50x = 74,458,252,624,314,089,472
  5. Step 5: Solve for x
    x = 74,458,252,624,314,089,472/9,942,755,364.50
  6. Step 6: Final answer
    x = 7,488,694,018.38

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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.