Home / 557,248,950.17-769,004,045.94-306,357,610.60

Finding the Fourth Proportional to 557,248,950.17, 769,004,045.94 and 306,357,610.60

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Solution

The fourth proportional to 557,248,950.17, 769,004,045.94 and 306,357,610.60 is: 422,773,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,248,950.17 : 769,004,045.94 = 306,357,610.60 : x
  2. Step 2: Convert to fraction form
    557,248,950.17/769,004,045.94 = 306,357,610.60/x
  3. Step 3: Cross multiply
    557,248,950.17x = 769,004,045.94 × 306,357,610.60
  4. Step 4: Simplify right side
    557,248,950.17x = 235,590,242,053,294,496
  5. Step 5: Solve for x
    x = 235,590,242,053,294,496/557,248,950.17
  6. Step 6: Final answer
    x = 422,773,774.60

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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.