Home / 985,158,237,694.78-1,477,198,654,148.40-782,254,814,140.38

Finding the Fourth Proportional to 985,158,237,694.78, 1,477,198,654,148.40 and 782,254,814,140.38

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Solution

The fourth proportional to 985,158,237,694.78, 1,477,198,654,148.40 and 782,254,814,140.38 is: 1,172,954,470,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,158,237,694.78 : 1,477,198,654,148.40 = 782,254,814,140.38 : x
  2. Step 2: Convert to fraction form
    985,158,237,694.78/1,477,198,654,148.40 = 782,254,814,140.38/x
  3. Step 3: Cross multiply
    985,158,237,694.78x = 1,477,198,654,148.40 × 782,254,814,140.38
  4. Step 4: Simplify right side
    985,158,237,694.78x = 1,155,545,758,649,276,052,799,488
  5. Step 5: Solve for x
    x = 1,155,545,758,649,276,052,799,488/985,158,237,694.78
  6. Step 6: Final answer
    x = 1,172,954,470,089.19

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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.