Home / 12,884,837,608.87-17,780,797,204.94-7,459,602,003.72

Finding the Fourth Proportional to 12,884,837,608.87, 17,780,797,204.94 and 7,459,602,003.72

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Solution

The fourth proportional to 12,884,837,608.87, 17,780,797,204.94 and 7,459,602,003.72 is: 10,294,089,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,837,608.87 : 17,780,797,204.94 = 7,459,602,003.72 : x
  2. Step 2: Convert to fraction form
    12,884,837,608.87/17,780,797,204.94 = 7,459,602,003.72/x
  3. Step 3: Cross multiply
    12,884,837,608.87x = 17,780,797,204.94 × 7,459,602,003.72
  4. Step 4: Simplify right side
    12,884,837,608.87x = 132,637,670,457,731,792,896
  5. Step 5: Solve for x
    x = 132,637,670,457,731,792,896/12,884,837,608.87
  6. Step 6: Final answer
    x = 10,294,089,416.11

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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.