Home / 13,574,227,948.19-18,732,140,811.71-7,858,753,367.61

Finding the Fourth Proportional to 13,574,227,948.19, 18,732,140,811.71 and 7,858,753,367.61

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Solution

The fourth proportional to 13,574,227,948.19, 18,732,140,811.71 and 7,858,753,367.61 is: 10,844,909,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,227,948.19 : 18,732,140,811.71 = 7,858,753,367.61 : x
  2. Step 2: Convert to fraction form
    13,574,227,948.19/18,732,140,811.71 = 7,858,753,367.61/x
  3. Step 3: Cross multiply
    13,574,227,948.19x = 18,732,140,811.71 × 7,858,753,367.61
  4. Step 4: Simplify right side
    13,574,227,948.19x = 147,211,274,686,531,403,776
  5. Step 5: Solve for x
    x = 147,211,274,686,531,403,776/13,574,227,948.19
  6. Step 6: Final answer
    x = 10,844,909,577.80

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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.