Home / 630,090,785.99-869,539,203.83-347,832,558.25

Finding the Fourth Proportional to 630,090,785.99, 869,539,203.83 and 347,832,558.25

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Solution

The fourth proportional to 630,090,785.99, 869,539,203.83 and 347,832,558.25 is: 480,016,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,785.99 : 869,539,203.83 = 347,832,558.25 : x
  2. Step 2: Convert to fraction form
    630,090,785.99/869,539,203.83 = 347,832,558.25/x
  3. Step 3: Cross multiply
    630,090,785.99x = 869,539,203.83 × 347,832,558.25
  4. Step 4: Simplify right side
    630,090,785.99x = 302,454,045,765,552,832
  5. Step 5: Solve for x
    x = 302,454,045,765,552,832/630,090,785.99
  6. Step 6: Final answer
    x = 480,016,614.26

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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.