Home / 654,587,308.28-903,349,618.58-357,248,633.49

Finding the Fourth Proportional to 654,587,308.28, 903,349,618.58 and 357,248,633.49

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Solution

The fourth proportional to 654,587,308.28, 903,349,618.58 and 357,248,633.49 is: 493,013,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,587,308.28 : 903,349,618.58 = 357,248,633.49 : x
  2. Step 2: Convert to fraction form
    654,587,308.28/903,349,618.58 = 357,248,633.49/x
  3. Step 3: Cross multiply
    654,587,308.28x = 903,349,618.58 × 357,248,633.49
  4. Step 4: Simplify right side
    654,587,308.28x = 322,720,416,799,631,488
  5. Step 5: Solve for x
    x = 322,720,416,799,631,488/654,587,308.28
  6. Step 6: Final answer
    x = 493,013,556.36

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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.