Home / 519,451,396.29-716,843,315.30-281,296,841.81

Finding the Fourth Proportional to 519,451,396.29, 716,843,315.30 and 281,296,841.81

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Solution

The fourth proportional to 519,451,396.29, 716,843,315.30 and 281,296,841.81 is: 388,189,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,451,396.29 : 716,843,315.30 = 281,296,841.81 : x
  2. Step 2: Convert to fraction form
    519,451,396.29/716,843,315.30 = 281,296,841.81/x
  3. Step 3: Cross multiply
    519,451,396.29x = 716,843,315.30 × 281,296,841.81
  4. Step 4: Simplify right side
    519,451,396.29x = 201,645,760,666,307,232
  5. Step 5: Solve for x
    x = 201,645,760,666,307,232/519,451,396.29
  6. Step 6: Final answer
    x = 388,189,852.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.