Home / 1,511,818,216.40-2,267,727,324.60-421,301,284.40

Finding the Fourth Proportional to 1,511,818,216.40, 2,267,727,324.60 and 421,301,284.40

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Solution

The fourth proportional to 1,511,818,216.40, 2,267,727,324.60 and 421,301,284.40 is: 631,951,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,818,216.40 : 2,267,727,324.60 = 421,301,284.40 : x
  2. Step 2: Convert to fraction form
    1,511,818,216.40/2,267,727,324.60 = 421,301,284.40/x
  3. Step 3: Cross multiply
    1,511,818,216.40x = 2,267,727,324.60 × 421,301,284.40
  4. Step 4: Simplify right side
    1,511,818,216.40x = 955,396,434,522,955,648
  5. Step 5: Solve for x
    x = 955,396,434,522,955,648/1,511,818,216.40
  6. Step 6: Final answer
    x = 631,951,926.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.