Home / 945,585,759.60-1,418,378,639.40-332,169,985.35

Finding the Fourth Proportional to 945,585,759.60, 1,418,378,639.40 and 332,169,985.35

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Solution

The fourth proportional to 945,585,759.60, 1,418,378,639.40 and 332,169,985.35 is: 498,254,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,585,759.60 : 1,418,378,639.40 = 332,169,985.35 : x
  2. Step 2: Convert to fraction form
    945,585,759.60/1,418,378,639.40 = 332,169,985.35/x
  3. Step 3: Cross multiply
    945,585,759.60x = 1,418,378,639.40 × 332,169,985.35
  4. Step 4: Simplify right side
    945,585,759.60x = 471,142,811,870,251,008
  5. Step 5: Solve for x
    x = 471,142,811,870,251,008/945,585,759.60
  6. Step 6: Final answer
    x = 498,254,978.03

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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.