Home / 855,359,174.25-1,180,395,660.47-464,218,598.25

Finding the Fourth Proportional to 855,359,174.25, 1,180,395,660.47 and 464,218,598.25

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Solution

The fourth proportional to 855,359,174.25, 1,180,395,660.47 and 464,218,598.25 is: 640,621,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,359,174.25 : 1,180,395,660.47 = 464,218,598.25 : x
  2. Step 2: Convert to fraction form
    855,359,174.25/1,180,395,660.47 = 464,218,598.25/x
  3. Step 3: Cross multiply
    855,359,174.25x = 1,180,395,660.47 × 464,218,598.25
  4. Step 4: Simplify right side
    855,359,174.25x = 547,961,618,881,445,184
  5. Step 5: Solve for x
    x = 547,961,618,881,445,184/855,359,174.25
  6. Step 6: Final answer
    x = 640,621,665.59

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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.