Home / 1,010,405,085.30-1,515,607,627.95-996,800,195.70

Finding the Fourth Proportional to 1,010,405,085.30, 1,515,607,627.95 and 996,800,195.70

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Solution

The fourth proportional to 1,010,405,085.30, 1,515,607,627.95 and 996,800,195.70 is: 1,495,200,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,405,085.30 : 1,515,607,627.95 = 996,800,195.70 : x
  2. Step 2: Convert to fraction form
    1,010,405,085.30/1,515,607,627.95 = 996,800,195.70/x
  3. Step 3: Cross multiply
    1,010,405,085.30x = 1,515,607,627.95 × 996,800,195.70
  4. Step 4: Simplify right side
    1,010,405,085.30x = 1,510,757,980,144,972,800
  5. Step 5: Solve for x
    x = 1,510,757,980,144,972,800/1,010,405,085.30
  6. Step 6: Final answer
    x = 1,495,200,293.55

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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.