Home / 810,559,076.30-1,119,120,615.93-513,464,962.94

Finding the Fourth Proportional to 810,559,076.30, 1,119,120,615.93 and 513,464,962.94

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Solution

The fourth proportional to 810,559,076.30, 1,119,120,615.93 and 513,464,962.94 is: 708,929,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,559,076.30 : 1,119,120,615.93 = 513,464,962.94 : x
  2. Step 2: Convert to fraction form
    810,559,076.30/1,119,120,615.93 = 513,464,962.94/x
  3. Step 3: Cross multiply
    810,559,076.30x = 1,119,120,615.93 × 513,464,962.94
  4. Step 4: Simplify right side
    810,559,076.30x = 574,629,225,583,887,424
  5. Step 5: Solve for x
    x = 574,629,225,583,887,424/810,559,076.30
  6. Step 6: Final answer
    x = 708,929,481.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.