Home / 958,263,042.87-1,322,406,984.15-518,229,894.87

Finding the Fourth Proportional to 958,263,042.87, 1,322,406,984.15 and 518,229,894.87

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Solution

The fourth proportional to 958,263,042.87, 1,322,406,984.15 and 518,229,894.87 is: 715,159,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,263,042.87 : 1,322,406,984.15 = 518,229,894.87 : x
  2. Step 2: Convert to fraction form
    958,263,042.87/1,322,406,984.15 = 518,229,894.87/x
  3. Step 3: Cross multiply
    958,263,042.87x = 1,322,406,984.15 × 518,229,894.87
  4. Step 4: Simplify right side
    958,263,042.87x = 685,310,832,371,408,256
  5. Step 5: Solve for x
    x = 685,310,832,371,408,256/958,263,042.87
  6. Step 6: Final answer
    x = 715,159,410.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.