Home / 13,641,407,219.77-18,825,171,137.90-7,700,959,721.77

Finding the Fourth Proportional to 13,641,407,219.77, 18,825,171,137.90 and 7,700,959,721.77

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Solution

The fourth proportional to 13,641,407,219.77, 18,825,171,137.90 and 7,700,959,721.77 is: 10,627,340,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641,407,219.77 : 18,825,171,137.90 = 7,700,959,721.77 : x
  2. Step 2: Convert to fraction form
    13,641,407,219.77/18,825,171,137.90 = 7,700,959,721.77/x
  3. Step 3: Cross multiply
    13,641,407,219.77x = 18,825,171,137.90 × 7,700,959,721.77
  4. Step 4: Simplify right side
    13,641,407,219.77x = 144,971,884,688,356,524,032
  5. Step 5: Solve for x
    x = 144,971,884,688,356,524,032/13,641,407,219.77
  6. Step 6: Final answer
    x = 10,627,340,885.94

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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.