Home / 739,209,898.80-1,108,814,848.20-448,405,383.60

Finding the Fourth Proportional to 739,209,898.80, 1,108,814,848.20 and 448,405,383.60

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Solution

The fourth proportional to 739,209,898.80, 1,108,814,848.20 and 448,405,383.60 is: 672,608,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,209,898.80 : 1,108,814,848.20 = 448,405,383.60 : x
  2. Step 2: Convert to fraction form
    739,209,898.80/1,108,814,848.20 = 448,405,383.60/x
  3. Step 3: Cross multiply
    739,209,898.80x = 1,108,814,848.20 × 448,405,383.60
  4. Step 4: Simplify right side
    739,209,898.80x = 497,198,547,348,496,832
  5. Step 5: Solve for x
    x = 497,198,547,348,496,832/739,209,898.80
  6. Step 6: Final answer
    x = 672,608,075.40

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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.