Home / 346,642,596.96-478,087,853.40-304,737,062.64

Finding the Fourth Proportional to 346,642,596.96, 478,087,853.40 and 304,737,062.64

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Solution

The fourth proportional to 346,642,596.96, 478,087,853.40 and 304,737,062.64 is: 420,291,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,642,596.96 : 478,087,853.40 = 304,737,062.64 : x
  2. Step 2: Convert to fraction form
    346,642,596.96/478,087,853.40 = 304,737,062.64/x
  3. Step 3: Cross multiply
    346,642,596.96x = 478,087,853.40 × 304,737,062.64
  4. Step 4: Simplify right side
    346,642,596.96x = 145,691,088,128,978,912
  5. Step 5: Solve for x
    x = 145,691,088,128,978,912/346,642,596.96
  6. Step 6: Final answer
    x = 420,291,935.86

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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.