Home / 741,757,809.60-1,112,636,714.40-699,431,486.40

Finding the Fourth Proportional to 741,757,809.60, 1,112,636,714.40 and 699,431,486.40

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Solution

The fourth proportional to 741,757,809.60, 1,112,636,714.40 and 699,431,486.40 is: 1,049,147,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,757,809.60 : 1,112,636,714.40 = 699,431,486.40 : x
  2. Step 2: Convert to fraction form
    741,757,809.60/1,112,636,714.40 = 699,431,486.40/x
  3. Step 3: Cross multiply
    741,757,809.60x = 1,112,636,714.40 × 699,431,486.40
  4. Step 4: Simplify right side
    741,757,809.60x = 778,213,150,976,004,352
  5. Step 5: Solve for x
    x = 778,213,150,976,004,352/741,757,809.60
  6. Step 6: Final answer
    x = 1,049,147,229.60

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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.