Home / 533,542,605-736,288,795.08-289,355,469

Finding the Fourth Proportional to 533,542,605, 736,288,795.08 and 289,355,469

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Solution

The fourth proportional to 533,542,605, 736,288,795.08 and 289,355,469 is: 399,310,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,542,605 : 736,288,795.08 = 289,355,469 : x
  2. Step 2: Convert to fraction form
    533,542,605/736,288,795.08 = 289,355,469/x
  3. Step 3: Cross multiply
    533,542,605x = 736,288,795.08 × 289,355,469
  4. Step 4: Simplify right side
    533,542,605x = 213,049,189,619,818,304
  5. Step 5: Solve for x
    x = 213,049,189,619,818,304/533,542,605
  6. Step 6: Final answer
    x = 399,310,547.32

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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.