Home / 883,304,559.62-1,219,008,228.81-506,958,138.59

Finding the Fourth Proportional to 883,304,559.62, 1,219,008,228.81 and 506,958,138.59

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Solution

The fourth proportional to 883,304,559.62, 1,219,008,228.81 and 506,958,138.59 is: 699,629,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,304,559.62 : 1,219,008,228.81 = 506,958,138.59 : x
  2. Step 2: Convert to fraction form
    883,304,559.62/1,219,008,228.81 = 506,958,138.59/x
  3. Step 3: Cross multiply
    883,304,559.62x = 1,219,008,228.81 × 506,958,138.59
  4. Step 4: Simplify right side
    883,304,559.62x = 617,986,142,603,410,304
  5. Step 5: Solve for x
    x = 617,986,142,603,410,304/883,304,559.62
  6. Step 6: Final answer
    x = 699,629,743.64

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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.