Home / 993,446,921.36-1,370,894,979.76-547,385,322.56

Finding the Fourth Proportional to 993,446,921.36, 1,370,894,979.76 and 547,385,322.56

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Solution

The fourth proportional to 993,446,921.36, 1,370,894,979.76 and 547,385,322.56 is: 755,357,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,446,921.36 : 1,370,894,979.76 = 547,385,322.56 : x
  2. Step 2: Convert to fraction form
    993,446,921.36/1,370,894,979.76 = 547,385,322.56/x
  3. Step 3: Cross multiply
    993,446,921.36x = 1,370,894,979.76 × 547,385,322.56
  4. Step 4: Simplify right side
    993,446,921.36x = 750,407,790,691,812,224
  5. Step 5: Solve for x
    x = 750,407,790,691,812,224/993,446,921.36
  6. Step 6: Final answer
    x = 755,357,709.16

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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.