Home / 14,485,397,312.70-21,728,095,969.05-7,856,202,278.70

Finding the Fourth Proportional to 14,485,397,312.70, 21,728,095,969.05 and 7,856,202,278.70

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Solution

The fourth proportional to 14,485,397,312.70, 21,728,095,969.05 and 7,856,202,278.70 is: 11,784,303,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485,397,312.70 : 21,728,095,969.05 = 7,856,202,278.70 : x
  2. Step 2: Convert to fraction form
    14,485,397,312.70/21,728,095,969.05 = 7,856,202,278.70/x
  3. Step 3: Cross multiply
    14,485,397,312.70x = 21,728,095,969.05 × 7,856,202,278.70
  4. Step 4: Simplify right side
    14,485,397,312.70x = 170,700,317,063,862,878,208
  5. Step 5: Solve for x
    x = 170,700,317,063,862,878,208/14,485,397,312.70
  6. Step 6: Final answer
    x = 11,784,303,418.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.