Home / 864,825,512.72-1,299,307,783.75-554,541,046.05

Finding the Fourth Proportional to 864,825,512.72, 1,299,307,783.75 and 554,541,046.05

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Solution

The fourth proportional to 864,825,512.72, 1,299,307,783.75 and 554,541,046.05 is: 833,138,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,825,512.72 : 1,299,307,783.75 = 554,541,046.05 : x
  2. Step 2: Convert to fraction form
    864,825,512.72/1,299,307,783.75 = 554,541,046.05/x
  3. Step 3: Cross multiply
    864,825,512.72x = 1,299,307,783.75 × 554,541,046.05
  4. Step 4: Simplify right side
    864,825,512.72x = 720,519,497,532,362,880
  5. Step 5: Solve for x
    x = 720,519,497,532,362,880/864,825,512.72
  6. Step 6: Final answer
    x = 833,138,577.59

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1.5x scale

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.