Home / 557,230,038.67-768,931,745.18-328,048,436.58

Finding the Fourth Proportional to 557,230,038.67, 768,931,745.18 and 328,048,436.58

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Solution

The fourth proportional to 557,230,038.67, 768,931,745.18 and 328,048,436.58 is: 452,679,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,230,038.67 : 768,931,745.18 = 328,048,436.58 : x
  2. Step 2: Convert to fraction form
    557,230,038.67/768,931,745.18 = 328,048,436.58/x
  3. Step 3: Cross multiply
    557,230,038.67x = 768,931,745.18 × 328,048,436.58
  4. Step 4: Simplify right side
    557,230,038.67x = 252,246,856,838,365,152
  5. Step 5: Solve for x
    x = 252,246,856,838,365,152/557,230,038.67
  6. Step 6: Final answer
    x = 452,679,933.48

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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.