Home / 820,512,882.60-1,230,769,323.90-246,084,210.60

Finding the Fourth Proportional to 820,512,882.60, 1,230,769,323.90 and 246,084,210.60

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Solution

The fourth proportional to 820,512,882.60, 1,230,769,323.90 and 246,084,210.60 is: 369,126,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,512,882.60 : 1,230,769,323.90 = 246,084,210.60 : x
  2. Step 2: Convert to fraction form
    820,512,882.60/1,230,769,323.90 = 246,084,210.60/x
  3. Step 3: Cross multiply
    820,512,882.60x = 1,230,769,323.90 × 246,084,210.60
  4. Step 4: Simplify right side
    820,512,882.60x = 302,872,897,502,627,200
  5. Step 5: Solve for x
    x = 302,872,897,502,627,200/820,512,882.60
  6. Step 6: Final answer
    x = 369,126,315.90

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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.