Home / 792,085,949.60-1,188,128,924.40-724,005,514.40

Finding the Fourth Proportional to 792,085,949.60, 1,188,128,924.40 and 724,005,514.40

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Solution

The fourth proportional to 792,085,949.60, 1,188,128,924.40 and 724,005,514.40 is: 1,086,008,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,085,949.60 : 1,188,128,924.40 = 724,005,514.40 : x
  2. Step 2: Convert to fraction form
    792,085,949.60/1,188,128,924.40 = 724,005,514.40/x
  3. Step 3: Cross multiply
    792,085,949.60x = 1,188,128,924.40 × 724,005,514.40
  4. Step 4: Simplify right side
    792,085,949.60x = 860,211,893,083,740,800
  5. Step 5: Solve for x
    x = 860,211,893,083,740,800/792,085,949.60
  6. Step 6: Final answer
    x = 1,086,008,271.60

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1.5x scale

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.