Home / 410,097,977.45-565,935,191.48-221,926,277.15

Finding the Fourth Proportional to 410,097,977.45, 565,935,191.48 and 221,926,277.15

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Solution

The fourth proportional to 410,097,977.45, 565,935,191.48 and 221,926,277.15 is: 306,258,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,097,977.45 : 565,935,191.48 = 221,926,277.15 : x
  2. Step 2: Convert to fraction form
    410,097,977.45/565,935,191.48 = 221,926,277.15/x
  3. Step 3: Cross multiply
    410,097,977.45x = 565,935,191.48 × 221,926,277.15
  4. Step 4: Simplify right side
    410,097,977.45x = 125,595,890,153,634,016
  5. Step 5: Solve for x
    x = 125,595,890,153,634,016/410,097,977.45
  6. Step 6: Final answer
    x = 306,258,253.05

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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.