Home / 319,860,455.52-479,790,683.10-77,523,359.52

Finding the Fourth Proportional to 319,860,455.52, 479,790,683.10 and 77,523,359.52

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Solution

The fourth proportional to 319,860,455.52, 479,790,683.10 and 77,523,359.52 is: 116,285,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,860,455.52 : 479,790,683.10 = 77,523,359.52 : x
  2. Step 2: Convert to fraction form
    319,860,455.52/479,790,683.10 = 77,523,359.52/x
  3. Step 3: Cross multiply
    319,860,455.52x = 479,790,683.10 × 77,523,359.52
  4. Step 4: Simplify right side
    319,860,455.52x = 37,194,985,620,307,688
  5. Step 5: Solve for x
    x = 37,194,985,620,307,688/319,860,455.52
  6. Step 6: Final answer
    x = 116,285,039.24

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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.