Home / 641,347,212.10-962,020,818.15-549,514,207.30

Finding the Fourth Proportional to 641,347,212.10, 962,020,818.15 and 549,514,207.30

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Solution

The fourth proportional to 641,347,212.10, 962,020,818.15 and 549,514,207.30 is: 824,271,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,347,212.10 : 962,020,818.15 = 549,514,207.30 : x
  2. Step 2: Convert to fraction form
    641,347,212.10/962,020,818.15 = 549,514,207.30/x
  3. Step 3: Cross multiply
    641,347,212.10x = 962,020,818.15 × 549,514,207.30
  4. Step 4: Simplify right side
    641,347,212.10x = 528,644,107,291,794,624
  5. Step 5: Solve for x
    x = 528,644,107,291,794,624/641,347,212.10
  6. Step 6: Final answer
    x = 824,271,310.95

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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.