Home / 958,263,043.87-1,322,406,985.53-518,229,895.87

Finding the Fourth Proportional to 958,263,043.87, 1,322,406,985.53 and 518,229,895.87

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Solution

The fourth proportional to 958,263,043.87, 1,322,406,985.53 and 518,229,895.87 is: 715,159,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,263,043.87 : 1,322,406,985.53 = 518,229,895.87 : x
  2. Step 2: Convert to fraction form
    958,263,043.87/1,322,406,985.53 = 518,229,895.87/x
  3. Step 3: Cross multiply
    958,263,043.87x = 1,322,406,985.53 × 518,229,895.87
  4. Step 4: Simplify right side
    958,263,043.87x = 685,310,834,408,972,544
  5. Step 5: Solve for x
    x = 685,310,834,408,972,544/958,263,043.87
  6. Step 6: Final answer
    x = 715,159,411.39

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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.