Home / 445,824,021.60-668,736,032.40-239,199,760.80

Finding the Fourth Proportional to 445,824,021.60, 668,736,032.40 and 239,199,760.80

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Solution

The fourth proportional to 445,824,021.60, 668,736,032.40 and 239,199,760.80 is: 358,799,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,021.60 : 668,736,032.40 = 239,199,760.80 : x
  2. Step 2: Convert to fraction form
    445,824,021.60/668,736,032.40 = 239,199,760.80/x
  3. Step 3: Cross multiply
    445,824,021.60x = 668,736,032.40 × 239,199,760.80
  4. Step 4: Simplify right side
    445,824,021.60x = 159,961,498,988,421,056
  5. Step 5: Solve for x
    x = 159,961,498,988,421,056/445,824,021.60
  6. Step 6: Final answer
    x = 358,799,641.20

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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.