Home / 1,392,701,688.75-1,924,685,876.76-1,141,409,728.83

Finding the Fourth Proportional to 1,392,701,688.75, 1,924,685,876.76 and 1,141,409,728.83

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Solution

The fourth proportional to 1,392,701,688.75, 1,924,685,876.76 and 1,141,409,728.83 is: 1,577,405,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,701,688.75 : 1,924,685,876.76 = 1,141,409,728.83 : x
  2. Step 2: Convert to fraction form
    1,392,701,688.75/1,924,685,876.76 = 1,141,409,728.83/x
  3. Step 3: Cross multiply
    1,392,701,688.75x = 1,924,685,876.76 × 1,141,409,728.83
  4. Step 4: Simplify right side
    1,392,701,688.75x = 2,196,855,184,675,562,240
  5. Step 5: Solve for x
    x = 2,196,855,184,675,562,240/1,392,701,688.75
  6. Step 6: Final answer
    x = 1,577,405,414.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.