Home / 788,635,949.68-1,183,535,151.72-374,114,070.64

Finding the Fourth Proportional to 788,635,949.68, 1,183,535,151.72 and 374,114,070.64

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Solution

The fourth proportional to 788,635,949.68, 1,183,535,151.72 and 374,114,070.64 is: 561,446,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,635,949.68 : 1,183,535,151.72 = 374,114,070.64 : x
  2. Step 2: Convert to fraction form
    788,635,949.68/1,183,535,151.72 = 374,114,070.64/x
  3. Step 3: Cross multiply
    788,635,949.68x = 1,183,535,151.72 × 374,114,070.64
  4. Step 4: Simplify right side
    788,635,949.68x = 442,777,153,355,499,200
  5. Step 5: Solve for x
    x = 442,777,153,355,499,200/788,635,949.68
  6. Step 6: Final answer
    x = 561,446,829.22

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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.