Home / 427,723,118,855.55-641,584,678,283.32-427,723,118,855.55

Finding the Fourth Proportional to 427,723,118,855.55, 641,584,678,283.32 and 427,723,118,855.55

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Solution

The fourth proportional to 427,723,118,855.55, 641,584,678,283.32 and 427,723,118,855.55 is: 641,584,678,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,723,118,855.55 : 641,584,678,283.32 = 427,723,118,855.55 : x
  2. Step 2: Convert to fraction form
    427,723,118,855.55/641,584,678,283.32 = 427,723,118,855.55/x
  3. Step 3: Cross multiply
    427,723,118,855.55x = 641,584,678,283.32 × 427,723,118,855.55
  4. Step 4: Simplify right side
    427,723,118,855.55x = 274,420,599,605,276,255,977,472
  5. Step 5: Solve for x
    x = 274,420,599,605,276,255,977,472/427,723,118,855.55
  6. Step 6: Final answer
    x = 641,584,678,283.32

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Double scale
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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.