Home / 677,924,041.20-1,016,886,061.80-217,908,711.60

Finding the Fourth Proportional to 677,924,041.20, 1,016,886,061.80 and 217,908,711.60

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Solution

The fourth proportional to 677,924,041.20, 1,016,886,061.80 and 217,908,711.60 is: 326,863,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,924,041.20 : 1,016,886,061.80 = 217,908,711.60 : x
  2. Step 2: Convert to fraction form
    677,924,041.20/1,016,886,061.80 = 217,908,711.60/x
  3. Step 3: Cross multiply
    677,924,041.20x = 1,016,886,061.80 × 217,908,711.60
  4. Step 4: Simplify right side
    677,924,041.20x = 221,588,331,570,835,968
  5. Step 5: Solve for x
    x = 221,588,331,570,835,968/677,924,041.20
  6. Step 6: Final answer
    x = 326,863,067.40

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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.