Home / 6,953,330,180.40-10,429,995,270.60-5,320,743,428.40

Finding the Fourth Proportional to 6,953,330,180.40, 10,429,995,270.60 and 5,320,743,428.40

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Solution

The fourth proportional to 6,953,330,180.40, 10,429,995,270.60 and 5,320,743,428.40 is: 7,981,115,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953,330,180.40 : 10,429,995,270.60 = 5,320,743,428.40 : x
  2. Step 2: Convert to fraction form
    6,953,330,180.40/10,429,995,270.60 = 5,320,743,428.40/x
  3. Step 3: Cross multiply
    6,953,330,180.40x = 10,429,995,270.60 × 5,320,743,428.40
  4. Step 4: Simplify right side
    6,953,330,180.40x = 55,495,328,794,288,029,696
  5. Step 5: Solve for x
    x = 55,495,328,794,288,029,696/6,953,330,180.40
  6. Step 6: Final answer
    x = 7,981,115,142.60

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Double scale
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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.