Home / 554,238,849.47-764,818,493.05-303,342,730.11

Finding the Fourth Proportional to 554,238,849.47, 764,818,493.05 and 303,342,730.11

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Solution

The fourth proportional to 554,238,849.47, 764,818,493.05 and 303,342,730.11 is: 418,595,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,238,849.47 : 764,818,493.05 = 303,342,730.11 : x
  2. Step 2: Convert to fraction form
    554,238,849.47/764,818,493.05 = 303,342,730.11/x
  3. Step 3: Cross multiply
    554,238,849.47x = 764,818,493.05 × 303,342,730.11
  4. Step 4: Simplify right side
    554,238,849.47x = 232,002,129,720,779,200
  5. Step 5: Solve for x
    x = 232,002,129,720,779,200/554,238,849.47
  6. Step 6: Final answer
    x = 418,595,935.57

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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.