Home / 708,588,700.20-1,062,883,050.30-320,424,193.80

Finding the Fourth Proportional to 708,588,700.20, 1,062,883,050.30 and 320,424,193.80

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Solution

The fourth proportional to 708,588,700.20, 1,062,883,050.30 and 320,424,193.80 is: 480,636,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,700.20 : 1,062,883,050.30 = 320,424,193.80 : x
  2. Step 2: Convert to fraction form
    708,588,700.20/1,062,883,050.30 = 320,424,193.80/x
  3. Step 3: Cross multiply
    708,588,700.20x = 1,062,883,050.30 × 320,424,193.80
  4. Step 4: Simplify right side
    708,588,700.20x = 340,573,444,496,062,336
  5. Step 5: Solve for x
    x = 340,573,444,496,062,336/708,588,700.20
  6. Step 6: Final answer
    x = 480,636,290.70

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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.