Home / 768,078,229.76-1,151,650,802.53-301,180,303.22

Finding the Fourth Proportional to 768,078,229.76, 1,151,650,802.53 and 301,180,303.22

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Solution

The fourth proportional to 768,078,229.76, 1,151,650,802.53 and 301,180,303.22 is: 451,587,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,078,229.76 : 1,151,650,802.53 = 301,180,303.22 : x
  2. Step 2: Convert to fraction form
    768,078,229.76/1,151,650,802.53 = 301,180,303.22/x
  3. Step 3: Cross multiply
    768,078,229.76x = 1,151,650,802.53 × 301,180,303.22
  4. Step 4: Simplify right side
    768,078,229.76x = 346,854,537,909,541,760
  5. Step 5: Solve for x
    x = 346,854,537,909,541,760/768,078,229.76
  6. Step 6: Final answer
    x = 451,587,513.45

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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.