Home / 851,480,013.60-1,277,220,020.40-306,150,688.80

Finding the Fourth Proportional to 851,480,013.60, 1,277,220,020.40 and 306,150,688.80

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Solution

The fourth proportional to 851,480,013.60, 1,277,220,020.40 and 306,150,688.80 is: 459,226,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,480,013.60 : 1,277,220,020.40 = 306,150,688.80 : x
  2. Step 2: Convert to fraction form
    851,480,013.60/1,277,220,020.40 = 306,150,688.80/x
  3. Step 3: Cross multiply
    851,480,013.60x = 1,277,220,020.40 × 306,150,688.80
  4. Step 4: Simplify right side
    851,480,013.60x = 391,021,788,994,610,112
  5. Step 5: Solve for x
    x = 391,021,788,994,610,112/851,480,013.60
  6. Step 6: Final answer
    x = 459,226,033.20

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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.