Home / 1,018,567,033.55-1,526,291,136.90-685,339,775.45

Finding the Fourth Proportional to 1,018,567,033.55, 1,526,291,136.90 and 685,339,775.45

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Solution

The fourth proportional to 1,018,567,033.55, 1,526,291,136.90 and 685,339,775.45 is: 1,026,960,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,567,033.55 : 1,526,291,136.90 = 685,339,775.45 : x
  2. Step 2: Convert to fraction form
    1,018,567,033.55/1,526,291,136.90 = 685,339,775.45/x
  3. Step 3: Cross multiply
    1,018,567,033.55x = 1,526,291,136.90 × 685,339,775.45
  4. Step 4: Simplify right side
    1,018,567,033.55x = 1,046,028,025,026,739,840
  5. Step 5: Solve for x
    x = 1,046,028,025,026,739,840/1,018,567,033.55
  6. Step 6: Final answer
    x = 1,026,960,416.52

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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.