Home / 946,628,338.87-1,420,095,088.37-291,579,060.43

Finding the Fourth Proportional to 946,628,338.87, 1,420,095,088.37 and 291,579,060.43

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Solution

The fourth proportional to 946,628,338.87, 1,420,095,088.37 and 291,579,060.43 is: 437,415,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,628,338.87 : 1,420,095,088.37 = 291,579,060.43 : x
  2. Step 2: Convert to fraction form
    946,628,338.87/1,420,095,088.37 = 291,579,060.43/x
  3. Step 3: Cross multiply
    946,628,338.87x = 1,420,095,088.37 × 291,579,060.43
  4. Step 4: Simplify right side
    946,628,338.87x = 414,069,991,588,182,400
  5. Step 5: Solve for x
    x = 414,069,991,588,182,400/946,628,338.87
  6. Step 6: Final answer
    x = 437,415,588.13

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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.