Home / 1,605,109,603,520.90-2,407,890,576,564.90-515,641,283,416.62

Finding the Fourth Proportional to 1,605,109,603,520.90, 2,407,890,576,564.90 and 515,641,283,416.62

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Solution

The fourth proportional to 1,605,109,603,520.90, 2,407,890,576,564.90 and 515,641,283,416.62 is: 773,534,582,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,109,603,520.90 : 2,407,890,576,564.90 = 515,641,283,416.62 : x
  2. Step 2: Convert to fraction form
    1,605,109,603,520.90/2,407,890,576,564.90 = 515,641,283,416.62/x
  3. Step 3: Cross multiply
    1,605,109,603,520.90x = 2,407,890,576,564.90 × 515,641,283,416.62
  4. Step 4: Simplify right side
    1,605,109,603,520.90x = 1,241,607,787,226,709,949,939,712
  5. Step 5: Solve for x
    x = 1,241,607,787,226,709,949,939,712/1,605,109,603,520.90
  6. Step 6: Final answer
    x = 773,534,582,624.87

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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.