Home / 790,093,704.47-1,090,314,724.11-437,661,962.30

Finding the Fourth Proportional to 790,093,704.47, 1,090,314,724.11 and 437,661,962.30

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Solution

The fourth proportional to 790,093,704.47, 1,090,314,724.11 and 437,661,962.30 is: 603,965,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,093,704.47 : 1,090,314,724.11 = 437,661,962.30 : x
  2. Step 2: Convert to fraction form
    790,093,704.47/1,090,314,724.11 = 437,661,962.30/x
  3. Step 3: Cross multiply
    790,093,704.47x = 1,090,314,724.11 × 437,661,962.30
  4. Step 4: Simplify right side
    790,093,704.47x = 477,189,281,679,650,176
  5. Step 5: Solve for x
    x = 477,189,281,679,650,176/790,093,704.47
  6. Step 6: Final answer
    x = 603,965,427.12

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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.