Home / 574,039,837.17-792,419,842.71-385,977,137.40

Finding the Fourth Proportional to 574,039,837.17, 792,419,842.71 and 385,977,137.40

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Solution

The fourth proportional to 574,039,837.17, 792,419,842.71 and 385,977,137.40 is: 532,813,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,039,837.17 : 792,419,842.71 = 385,977,137.40 : x
  2. Step 2: Convert to fraction form
    574,039,837.17/792,419,842.71 = 385,977,137.40/x
  3. Step 3: Cross multiply
    574,039,837.17x = 792,419,842.71 × 385,977,137.40
  4. Step 4: Simplify right side
    574,039,837.17x = 305,855,942,508,164,032
  5. Step 5: Solve for x
    x = 305,855,942,508,164,032/574,039,837.17
  6. Step 6: Final answer
    x = 532,813,095.37

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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.