Home / 13,574,227,947.69-18,732,140,811.02-7,858,753,367.11

Finding the Fourth Proportional to 13,574,227,947.69, 18,732,140,811.02 and 7,858,753,367.11

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Solution

The fourth proportional to 13,574,227,947.69, 18,732,140,811.02 and 7,858,753,367.11 is: 10,844,909,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,227,947.69 : 18,732,140,811.02 = 7,858,753,367.11 : x
  2. Step 2: Convert to fraction form
    13,574,227,947.69/18,732,140,811.02 = 7,858,753,367.11/x
  3. Step 3: Cross multiply
    13,574,227,947.69x = 18,732,140,811.02 × 7,858,753,367.11
  4. Step 4: Simplify right side
    13,574,227,947.69x = 147,211,274,671,782,068,224
  5. Step 5: Solve for x
    x = 147,211,274,671,782,068,224/13,574,227,947.69
  6. Step 6: Final answer
    x = 10,844,909,577.11

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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.