Home / 929,627,156,686.60-1,282,889,351,138.60-512,471,837,600.55

Finding the Fourth Proportional to 929,627,156,686.60, 1,282,889,351,138.60 and 512,471,837,600.55

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Solution

The fourth proportional to 929,627,156,686.60, 1,282,889,351,138.60 and 512,471,837,600.55 is: 707,213,271,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,627,156,686.60 : 1,282,889,351,138.60 = 512,471,837,600.55 : x
  2. Step 2: Convert to fraction form
    929,627,156,686.60/1,282,889,351,138.60 = 512,471,837,600.55/x
  3. Step 3: Cross multiply
    929,627,156,686.60x = 1,282,889,351,138.60 × 512,471,837,600.55
  4. Step 4: Simplify right side
    929,627,156,686.60x = 657,444,663,216,175,633,661,952
  5. Step 5: Solve for x
    x = 657,444,663,216,175,633,661,952/929,627,156,686.60
  6. Step 6: Final answer
    x = 707,213,271,995.47

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Double scale
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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.