Home / 313,377,885-432,005,690.52-218,999,019.60

Finding the Fourth Proportional to 313,377,885, 432,005,690.52 and 218,999,019.60

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Solution

The fourth proportional to 313,377,885, 432,005,690.52 and 218,999,019.60 is: 301,900,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,377,885 : 432,005,690.52 = 218,999,019.60 : x
  2. Step 2: Convert to fraction form
    313,377,885/432,005,690.52 = 218,999,019.60/x
  3. Step 3: Cross multiply
    313,377,885x = 432,005,690.52 × 218,999,019.60
  4. Step 4: Simplify right side
    313,377,885x = 94,608,822,685,501,008
  5. Step 5: Solve for x
    x = 94,608,822,685,501,008/313,377,885
  6. Step 6: Final answer
    x = 301,900,125.10

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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.