Home / 1,177,529,493.08-1,625,001,447.40-648,912,445.92

Finding the Fourth Proportional to 1,177,529,493.08, 1,625,001,447.40 and 648,912,445.92

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Solution

The fourth proportional to 1,177,529,493.08, 1,625,001,447.40 and 648,912,445.92 is: 895,505,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,529,493.08 : 1,625,001,447.40 = 648,912,445.92 : x
  2. Step 2: Convert to fraction form
    1,177,529,493.08/1,625,001,447.40 = 648,912,445.92/x
  3. Step 3: Cross multiply
    1,177,529,493.08x = 1,625,001,447.40 × 648,912,445.92
  4. Step 4: Simplify right side
    1,177,529,493.08x = 1,054,483,663,855,874,176
  5. Step 5: Solve for x
    x = 1,054,483,663,855,874,176/1,177,529,493.08
  6. Step 6: Final answer
    x = 895,505,097.79

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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.