Home / 708,286,378.39-1,061,006,724.25-352,689,358.40

Finding the Fourth Proportional to 708,286,378.39, 1,061,006,724.25 and 352,689,358.40

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Solution

The fourth proportional to 708,286,378.39, 1,061,006,724.25 and 352,689,358.40 is: 528,325,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,286,378.39 : 1,061,006,724.25 = 352,689,358.40 : x
  2. Step 2: Convert to fraction form
    708,286,378.39/1,061,006,724.25 = 352,689,358.40/x
  3. Step 3: Cross multiply
    708,286,378.39x = 1,061,006,724.25 × 352,689,358.40
  4. Step 4: Simplify right side
    708,286,378.39x = 374,205,780,833,818,176
  5. Step 5: Solve for x
    x = 374,205,780,833,818,176/708,286,378.39
  6. Step 6: Final answer
    x = 528,325,536.47

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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.