Home / 445,824,019.60-668,736,029.40-271,484,799.55

Finding the Fourth Proportional to 445,824,019.60, 668,736,029.40 and 271,484,799.55

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Solution

The fourth proportional to 445,824,019.60, 668,736,029.40 and 271,484,799.55 is: 407,227,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,019.60 : 668,736,029.40 = 271,484,799.55 : x
  2. Step 2: Convert to fraction form
    445,824,019.60/668,736,029.40 = 271,484,799.55/x
  3. Step 3: Cross multiply
    445,824,019.60x = 668,736,029.40 × 271,484,799.55
  4. Step 4: Simplify right side
    445,824,019.60x = 181,551,666,893,521,920
  5. Step 5: Solve for x
    x = 181,551,666,893,521,920/445,824,019.60
  6. Step 6: Final answer
    x = 407,227,199.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.