Home / 2,980,164,346.80-4,470,246,520.20-909,617,066.70

Finding the Fourth Proportional to 2,980,164,346.80, 4,470,246,520.20 and 909,617,066.70

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Solution

The fourth proportional to 2,980,164,346.80, 4,470,246,520.20 and 909,617,066.70 is: 1,364,425,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,164,346.80 : 4,470,246,520.20 = 909,617,066.70 : x
  2. Step 2: Convert to fraction form
    2,980,164,346.80/4,470,246,520.20 = 909,617,066.70/x
  3. Step 3: Cross multiply
    2,980,164,346.80x = 4,470,246,520.20 × 909,617,066.70
  4. Step 4: Simplify right side
    2,980,164,346.80x = 4,066,212,527,130,206,208
  5. Step 5: Solve for x
    x = 4,066,212,527,130,206,208/2,980,164,346.80
  6. Step 6: Final answer
    x = 1,364,425,600.05

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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.