Home / 528,185,747.18-796,075,141-455,289,369.17

Finding the Fourth Proportional to 528,185,747.18, 796,075,141 and 455,289,369.17

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Solution

The fourth proportional to 528,185,747.18, 796,075,141 and 455,289,369.17 is: 686,206,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,185,747.18 : 796,075,141 = 455,289,369.17 : x
  2. Step 2: Convert to fraction form
    528,185,747.18/796,075,141 = 455,289,369.17/x
  3. Step 3: Cross multiply
    528,185,747.18x = 796,075,141 × 455,289,369.17
  4. Step 4: Simplify right side
    528,185,747.18x = 362,444,548,757,808,832
  5. Step 5: Solve for x
    x = 362,444,548,757,808,832/528,185,747.18
  6. Step 6: Final answer
    x = 686,206,605.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.