Home / 671,423,340,140.48-1,006,848,320,054.90-388,637,376,109.76

Finding the Fourth Proportional to 671,423,340,140.48, 1,006,848,320,054.90 and 388,637,376,109.76

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Solution

The fourth proportional to 671,423,340,140.48, 1,006,848,320,054.90 and 388,637,376,109.76 is: 582,790,120,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,423,340,140.48 : 1,006,848,320,054.90 = 388,637,376,109.76 : x
  2. Step 2: Convert to fraction form
    671,423,340,140.48/1,006,848,320,054.90 = 388,637,376,109.76/x
  3. Step 3: Cross multiply
    671,423,340,140.48x = 1,006,848,320,054.90 × 388,637,376,109.76
  4. Step 4: Simplify right side
    671,423,340,140.48x = 391,298,889,246,656,178,421,760
  5. Step 5: Solve for x
    x = 391,298,889,246,656,178,421,760/671,423,340,140.48
  6. Step 6: Final answer
    x = 582,790,120,410.15

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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.