Home / 13,511,670,716.80-18,646,105,293.02-7,490,160,862.30

Finding the Fourth Proportional to 13,511,670,716.80, 18,646,105,293.02 and 7,490,160,862.30

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Solution

The fourth proportional to 13,511,670,716.80, 18,646,105,293.02 and 7,490,160,862.30 is: 10,336,421,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,670,716.80 : 18,646,105,293.02 = 7,490,160,862.30 : x
  2. Step 2: Convert to fraction form
    13,511,670,716.80/18,646,105,293.02 = 7,490,160,862.30/x
  3. Step 3: Cross multiply
    13,511,670,716.80x = 18,646,105,293.02 × 7,490,160,862.30
  4. Step 4: Simplify right side
    13,511,670,716.80x = 139,662,328,099,972,595,712
  5. Step 5: Solve for x
    x = 139,662,328,099,972,595,712/13,511,670,716.80
  6. Step 6: Final answer
    x = 10,336,421,825.79

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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.