Home / 798,430,800.60-1,197,646,200.90-253,172,334.60

Finding the Fourth Proportional to 798,430,800.60, 1,197,646,200.90 and 253,172,334.60

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Solution

The fourth proportional to 798,430,800.60, 1,197,646,200.90 and 253,172,334.60 is: 379,758,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,430,800.60 : 1,197,646,200.90 = 253,172,334.60 : x
  2. Step 2: Convert to fraction form
    798,430,800.60/1,197,646,200.90 = 253,172,334.60/x
  3. Step 3: Cross multiply
    798,430,800.60x = 1,197,646,200.90 × 253,172,334.60
  4. Step 4: Simplify right side
    798,430,800.60x = 303,210,884,706,673,664
  5. Step 5: Solve for x
    x = 303,210,884,706,673,664/798,430,800.60
  6. Step 6: Final answer
    x = 379,758,501.90

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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.