Home / 554,032,067.78-829,723,817.12-307,777,931.76

Finding the Fourth Proportional to 554,032,067.78, 829,723,817.12 and 307,777,931.76

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Solution

The fourth proportional to 554,032,067.78, 829,723,817.12 and 307,777,931.76 is: 460,931,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,032,067.78 : 829,723,817.12 = 307,777,931.76 : x
  2. Step 2: Convert to fraction form
    554,032,067.78/829,723,817.12 = 307,777,931.76/x
  3. Step 3: Cross multiply
    554,032,067.78x = 829,723,817.12 × 307,777,931.76
  4. Step 4: Simplify right side
    554,032,067.78x = 255,370,680,365,975,488
  5. Step 5: Solve for x
    x = 255,370,680,365,975,488/554,032,067.78
  6. Step 6: Final answer
    x = 460,931,226.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.