Home / 672,743,159.80-1,009,114,739.70-491,344,631.80

Finding the Fourth Proportional to 672,743,159.80, 1,009,114,739.70 and 491,344,631.80

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Solution

The fourth proportional to 672,743,159.80, 1,009,114,739.70 and 491,344,631.80 is: 737,016,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,743,159.80 : 1,009,114,739.70 = 491,344,631.80 : x
  2. Step 2: Convert to fraction form
    672,743,159.80/1,009,114,739.70 = 491,344,631.80/x
  3. Step 3: Cross multiply
    672,743,159.80x = 1,009,114,739.70 × 491,344,631.80
  4. Step 4: Simplify right side
    672,743,159.80x = 495,823,110,221,849,408
  5. Step 5: Solve for x
    x = 495,823,110,221,849,408/672,743,159.80
  6. Step 6: Final answer
    x = 737,016,947.70

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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.