Home / 630,090,799.60-869,539,222.64-347,832,571.88

Finding the Fourth Proportional to 630,090,799.60, 869,539,222.64 and 347,832,571.88

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Solution

The fourth proportional to 630,090,799.60, 869,539,222.64 and 347,832,571.88 is: 480,016,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,799.60 : 869,539,222.64 = 347,832,571.88 : x
  2. Step 2: Convert to fraction form
    630,090,799.60/869,539,222.64 = 347,832,571.88/x
  3. Step 3: Cross multiply
    630,090,799.60x = 869,539,222.64 × 347,832,571.88
  4. Step 4: Simplify right side
    630,090,799.60x = 302,454,064,161,407,104
  5. Step 5: Solve for x
    x = 302,454,064,161,407,104/630,090,799.60
  6. Step 6: Final answer
    x = 480,016,633.08

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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.