Home / 13,439,493,275.36-18,543,731,941.66-7,722,673,088.36

Finding the Fourth Proportional to 13,439,493,275.36, 18,543,731,941.66 and 7,722,673,088.36

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Solution

The fourth proportional to 13,439,493,275.36, 18,543,731,941.66 and 7,722,673,088.36 is: 10,655,697,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,493,275.36 : 18,543,731,941.66 = 7,722,673,088.36 : x
  2. Step 2: Convert to fraction form
    13,439,493,275.36/18,543,731,941.66 = 7,722,673,088.36/x
  3. Step 3: Cross multiply
    13,439,493,275.36x = 18,543,731,941.66 × 7,722,673,088.36
  4. Step 4: Simplify right side
    13,439,493,275.36x = 143,207,179,623,619,411,968
  5. Step 5: Solve for x
    x = 143,207,179,623,619,411,968/13,439,493,275.36
  6. Step 6: Final answer
    x = 10,655,697,851.81

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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.