Home / 1,472,813,869.80-2,209,166,995.56-437,647,846.68

Finding the Fourth Proportional to 1,472,813,869.80, 2,209,166,995.56 and 437,647,846.68

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Solution

The fourth proportional to 1,472,813,869.80, 2,209,166,995.56 and 437,647,846.68 is: 656,455,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,813,869.80 : 2,209,166,995.56 = 437,647,846.68 : x
  2. Step 2: Convert to fraction form
    1,472,813,869.80/2,209,166,995.56 = 437,647,846.68/x
  3. Step 3: Cross multiply
    1,472,813,869.80x = 2,209,166,995.56 × 437,647,846.68
  4. Step 4: Simplify right side
    1,472,813,869.80x = 966,837,178,563,359,104
  5. Step 5: Solve for x
    x = 966,837,178,563,359,104/1,472,813,869.80
  6. Step 6: Final answer
    x = 656,455,780.59

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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.