Home / 654,578,758.56-903,318,448.22-357,221,001.45

Finding the Fourth Proportional to 654,578,758.56, 903,318,448.22 and 357,221,001.45

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Solution

The fourth proportional to 654,578,758.56, 903,318,448.22 and 357,221,001.45 is: 492,964,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,578,758.56 : 903,318,448.22 = 357,221,001.45 : x
  2. Step 2: Convert to fraction form
    654,578,758.56/903,318,448.22 = 357,221,001.45/x
  3. Step 3: Cross multiply
    654,578,758.56x = 903,318,448.22 × 357,221,001.45
  4. Step 4: Simplify right side
    654,578,758.56x = 322,684,320,701,408,384
  5. Step 5: Solve for x
    x = 322,684,320,701,408,384/654,578,758.56
  6. Step 6: Final answer
    x = 492,964,851.79

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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.