Home / 586,022,640,016.40-879,033,960,024.60-144,861,419,920.40

Finding the Fourth Proportional to 586,022,640,016.40, 879,033,960,024.60 and 144,861,419,920.40

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Solution

The fourth proportional to 586,022,640,016.40, 879,033,960,024.60 and 144,861,419,920.40 is: 217,292,129,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,022,640,016.40 : 879,033,960,024.60 = 144,861,419,920.40 : x
  2. Step 2: Convert to fraction form
    586,022,640,016.40/879,033,960,024.60 = 144,861,419,920.40/x
  3. Step 3: Cross multiply
    586,022,640,016.40x = 879,033,960,024.60 × 144,861,419,920.40
  4. Step 4: Simplify right side
    586,022,640,016.40x = 127,338,107,607,415,676,469,248
  5. Step 5: Solve for x
    x = 127,338,107,607,415,676,469,248/586,022,640,016.40
  6. Step 6: Final answer
    x = 217,292,129,880.60

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Double scale
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Similar ratio
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1.5x scale

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.