Home / 985,158,237,691.77-1,477,198,654,143.90-782,254,814,137.40

Finding the Fourth Proportional to 985,158,237,691.77, 1,477,198,654,143.90 and 782,254,814,137.40

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Solution

The fourth proportional to 985,158,237,691.77, 1,477,198,654,143.90 and 782,254,814,137.40 is: 1,172,954,470,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,158,237,691.77 : 1,477,198,654,143.90 = 782,254,814,137.40 : x
  2. Step 2: Convert to fraction form
    985,158,237,691.77/1,477,198,654,143.90 = 782,254,814,137.40/x
  3. Step 3: Cross multiply
    985,158,237,691.77x = 1,477,198,654,143.90 × 782,254,814,137.40
  4. Step 4: Simplify right side
    985,158,237,691.77x = 1,155,545,758,641,353,851,404,288
  5. Step 5: Solve for x
    x = 1,155,545,758,641,353,851,404,288/985,158,237,691.77
  6. Step 6: Final answer
    x = 1,172,954,470,084.73

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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.