Home / 885,276,563.40-1,328,292,758.70-424,977,798.60

Finding the Fourth Proportional to 885,276,563.40, 1,328,292,758.70 and 424,977,798.60

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Solution

The fourth proportional to 885,276,563.40, 1,328,292,758.70 and 424,977,798.60 is: 637,648,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,276,563.40 : 1,328,292,758.70 = 424,977,798.60 : x
  2. Step 2: Convert to fraction form
    885,276,563.40/1,328,292,758.70 = 424,977,798.60/x
  3. Step 3: Cross multiply
    885,276,563.40x = 1,328,292,758.70 × 424,977,798.60
  4. Step 4: Simplify right side
    885,276,563.40x = 564,494,932,488,647,040
  5. Step 5: Solve for x
    x = 564,494,932,488,647,040/885,276,563.40
  6. Step 6: Final answer
    x = 637,648,115.66

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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.