Home / 743,762,743.80-1,115,644,115.70-663,408,864.60

Finding the Fourth Proportional to 743,762,743.80, 1,115,644,115.70 and 663,408,864.60

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Solution

The fourth proportional to 743,762,743.80, 1,115,644,115.70 and 663,408,864.60 is: 995,113,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,762,743.80 : 1,115,644,115.70 = 663,408,864.60 : x
  2. Step 2: Convert to fraction form
    743,762,743.80/1,115,644,115.70 = 663,408,864.60/x
  3. Step 3: Cross multiply
    743,762,743.80x = 1,115,644,115.70 × 663,408,864.60
  4. Step 4: Simplify right side
    743,762,743.80x = 740,128,196,094,208,128
  5. Step 5: Solve for x
    x = 740,128,196,094,208,128/743,762,743.80
  6. Step 6: Final answer
    x = 995,113,296.90

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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.