Home / 630,205,890.90-944,671,107.15-371,287,835.70

Finding the Fourth Proportional to 630,205,890.90, 944,671,107.15 and 371,287,835.70

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Solution

The fourth proportional to 630,205,890.90, 944,671,107.15 and 371,287,835.70 is: 556,556,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,205,890.90 : 944,671,107.15 = 371,287,835.70 : x
  2. Step 2: Convert to fraction form
    630,205,890.90/944,671,107.15 = 371,287,835.70/x
  3. Step 3: Cross multiply
    630,205,890.90x = 944,671,107.15 × 371,287,835.70
  4. Step 4: Simplify right side
    630,205,890.90x = 350,744,890,822,046,272
  5. Step 5: Solve for x
    x = 350,744,890,822,046,272/630,205,890.90
  6. Step 6: Final answer
    x = 556,556,033.33

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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.