Home / 1,168,904,533,428.10-1,752,129,430,784.60-393,287,515,481.30

Finding the Fourth Proportional to 1,168,904,533,428.10, 1,752,129,430,784.60 and 393,287,515,481.30

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Solution

The fourth proportional to 1,168,904,533,428.10, 1,752,129,430,784.60 and 393,287,515,481.30 is: 589,518,314,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,904,533,428.10 : 1,752,129,430,784.60 = 393,287,515,481.30 : x
  2. Step 2: Convert to fraction form
    1,168,904,533,428.10/1,752,129,430,784.60 = 393,287,515,481.30/x
  3. Step 3: Cross multiply
    1,168,904,533,428.10x = 1,752,129,430,784.60 × 393,287,515,481.30
  4. Step 4: Simplify right side
    1,168,904,533,428.10x = 689,090,630,634,939,808,219,136
  5. Step 5: Solve for x
    x = 689,090,630,634,939,808,219,136/1,168,904,533,428.10
  6. Step 6: Final answer
    x = 589,518,314,736.97

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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.