Home / 1,168,904,533,453.30-1,752,129,430,822.50-393,287,515,506.78

Finding the Fourth Proportional to 1,168,904,533,453.30, 1,752,129,430,822.50 and 393,287,515,506.78

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Solution

The fourth proportional to 1,168,904,533,453.30, 1,752,129,430,822.50 and 393,287,515,506.78 is: 589,518,314,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,904,533,453.30 : 1,752,129,430,822.50 = 393,287,515,506.78 : x
  2. Step 2: Convert to fraction form
    1,168,904,533,453.30/1,752,129,430,822.50 = 393,287,515,506.78/x
  3. Step 3: Cross multiply
    1,168,904,533,453.30x = 1,752,129,430,822.50 × 393,287,515,506.78
  4. Step 4: Simplify right side
    1,168,904,533,453.30x = 689,090,630,694,489,663,995,904
  5. Step 5: Solve for x
    x = 689,090,630,694,489,663,995,904/1,168,904,533,453.30
  6. Step 6: Final answer
    x = 589,518,314,775.21

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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.