Home / 969,423,128.11-1,454,338,979.85-314,323,071.49

Finding the Fourth Proportional to 969,423,128.11, 1,454,338,979.85 and 314,323,071.49

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Solution

The fourth proportional to 969,423,128.11, 1,454,338,979.85 and 314,323,071.49 is: 471,550,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,423,128.11 : 1,454,338,979.85 = 314,323,071.49 : x
  2. Step 2: Convert to fraction form
    969,423,128.11/1,454,338,979.85 = 314,323,071.49/x
  3. Step 3: Cross multiply
    969,423,128.11x = 1,454,338,979.85 × 314,323,071.49
  4. Step 4: Simplify right side
    969,423,128.11x = 457,132,295,126,813,504
  5. Step 5: Solve for x
    x = 457,132,295,126,813,504/969,423,128.11
  6. Step 6: Final answer
    x = 471,550,844.90

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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.