Home / 13,511,670,720.80-18,646,105,298.54-7,490,160,866.30

Finding the Fourth Proportional to 13,511,670,720.80, 18,646,105,298.54 and 7,490,160,866.30

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Solution

The fourth proportional to 13,511,670,720.80, 18,646,105,298.54 and 7,490,160,866.30 is: 10,336,421,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,670,720.80 : 18,646,105,298.54 = 7,490,160,866.30 : x
  2. Step 2: Convert to fraction form
    13,511,670,720.80/18,646,105,298.54 = 7,490,160,866.30/x
  3. Step 3: Cross multiply
    13,511,670,720.80x = 18,646,105,298.54 × 7,490,160,866.30
  4. Step 4: Simplify right side
    13,511,670,720.80x = 139,662,328,215,906,435,072
  5. Step 5: Solve for x
    x = 139,662,328,215,906,435,072/13,511,670,720.80
  6. Step 6: Final answer
    x = 10,336,421,831.31

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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.