Home / 910,289,377.14-1,256,199,342.06-492,601,662.24

Finding the Fourth Proportional to 910,289,377.14, 1,256,199,342.06 and 492,601,662.24

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Solution

The fourth proportional to 910,289,377.14, 1,256,199,342.06 and 492,601,662.24 is: 679,790,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,289,377.14 : 1,256,199,342.06 = 492,601,662.24 : x
  2. Step 2: Convert to fraction form
    910,289,377.14/1,256,199,342.06 = 492,601,662.24/x
  3. Step 3: Cross multiply
    910,289,377.14x = 1,256,199,342.06 × 492,601,662.24
  4. Step 4: Simplify right side
    910,289,377.14x = 618,805,884,003,550,336
  5. Step 5: Solve for x
    x = 618,805,884,003,550,336/910,289,377.14
  6. Step 6: Final answer
    x = 679,790,294.76

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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.