Home / 319,788,901.60-479,683,352.40-296,830,650.40

Finding the Fourth Proportional to 319,788,901.60, 479,683,352.40 and 296,830,650.40

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Solution

The fourth proportional to 319,788,901.60, 479,683,352.40 and 296,830,650.40 is: 445,245,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,901.60 : 479,683,352.40 = 296,830,650.40 : x
  2. Step 2: Convert to fraction form
    319,788,901.60/479,683,352.40 = 296,830,650.40/x
  3. Step 3: Cross multiply
    319,788,901.60x = 479,683,352.40 × 296,830,650.40
  4. Step 4: Simplify right side
    319,788,901.60x = 142,384,721,478,944,384
  5. Step 5: Solve for x
    x = 142,384,721,478,944,384/319,788,901.60
  6. Step 6: Final answer
    x = 445,245,975.60

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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.