Home / 1,617,269,443.20-2,425,904,164.80-526,752,511.20

Finding the Fourth Proportional to 1,617,269,443.20, 2,425,904,164.80 and 526,752,511.20

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Solution

The fourth proportional to 1,617,269,443.20, 2,425,904,164.80 and 526,752,511.20 is: 790,128,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,269,443.20 : 2,425,904,164.80 = 526,752,511.20 : x
  2. Step 2: Convert to fraction form
    1,617,269,443.20/2,425,904,164.80 = 526,752,511.20/x
  3. Step 3: Cross multiply
    1,617,269,443.20x = 2,425,904,164.80 × 526,752,511.20
  4. Step 4: Simplify right side
    1,617,269,443.20x = 1,277,851,110,738,938,624
  5. Step 5: Solve for x
    x = 1,277,851,110,738,938,624/1,617,269,443.20
  6. Step 6: Final answer
    x = 790,128,766.80

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Double scale
Find fourth proportional to 1,617,269,444.20, 2,425,904,166.30 and 526,752,512.20
Similar ratio
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1.5x scale

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.