Home / 630,067,127,158.76-869,492,677,979.22-344,925,647,254.76

Finding the Fourth Proportional to 630,067,127,158.76, 869,492,677,979.22 and 344,925,647,254.76

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Solution

The fourth proportional to 630,067,127,158.76, 869,492,677,979.22 and 344,925,647,254.76 is: 475,997,416,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,067,127,158.76 : 869,492,677,979.22 = 344,925,647,254.76 : x
  2. Step 2: Convert to fraction form
    630,067,127,158.76/869,492,677,979.22 = 344,925,647,254.76/x
  3. Step 3: Cross multiply
    630,067,127,158.76x = 869,492,677,979.22 × 344,925,647,254.76
  4. Step 4: Simplify right side
    630,067,127,158.76x = 299,910,324,735,257,069,223,936
  5. Step 5: Solve for x
    x = 299,910,324,735,257,069,223,936/630,067,127,158.76
  6. Step 6: Final answer
    x = 475,997,416,477.96

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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.