Home / 711,684,492.80-1,065,735,148.80-468,028,198.40

Finding the Fourth Proportional to 711,684,492.80, 1,065,735,148.80 and 468,028,198.40

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Solution

The fourth proportional to 711,684,492.80, 1,065,735,148.80 and 468,028,198.40 is: 700,864,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,684,492.80 : 1,065,735,148.80 = 468,028,198.40 : x
  2. Step 2: Convert to fraction form
    711,684,492.80/1,065,735,148.80 = 468,028,198.40/x
  3. Step 3: Cross multiply
    711,684,492.80x = 1,065,735,148.80 × 468,028,198.40
  4. Step 4: Simplify right side
    711,684,492.80x = 498,794,101,664,419,904
  5. Step 5: Solve for x
    x = 498,794,101,664,419,904/711,684,492.80
  6. Step 6: Final answer
    x = 700,864,086.14

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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.