Home / 653,346,402.27-901,618,164.86-355,988,644.44

Finding the Fourth Proportional to 653,346,402.27, 901,618,164.86 and 355,988,644.44

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Solution

The fourth proportional to 653,346,402.27, 901,618,164.86 and 355,988,644.44 is: 491,264,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,346,402.27 : 901,618,164.86 = 355,988,644.44 : x
  2. Step 2: Convert to fraction form
    653,346,402.27/901,618,164.86 = 355,988,644.44/x
  3. Step 3: Cross multiply
    653,346,402.27x = 901,618,164.86 × 355,988,644.44
  4. Step 4: Simplify right side
    653,346,402.27x = 320,965,828,305,830,784
  5. Step 5: Solve for x
    x = 320,965,828,305,830,784/653,346,402.27
  6. Step 6: Final answer
    x = 491,264,400.01

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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.