Home / 708,590,437.20-1,062,885,655.80-448,396,923.60

Finding the Fourth Proportional to 708,590,437.20, 1,062,885,655.80 and 448,396,923.60

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Solution

The fourth proportional to 708,590,437.20, 1,062,885,655.80 and 448,396,923.60 is: 672,595,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,437.20 : 1,062,885,655.80 = 448,396,923.60 : x
  2. Step 2: Convert to fraction form
    708,590,437.20/1,062,885,655.80 = 448,396,923.60/x
  3. Step 3: Cross multiply
    708,590,437.20x = 1,062,885,655.80 × 448,396,923.60
  4. Step 4: Simplify right side
    708,590,437.20x = 476,594,658,199,288,512
  5. Step 5: Solve for x
    x = 476,594,658,199,288,512/708,590,437.20
  6. Step 6: Final answer
    x = 672,595,385.40

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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.