Home / 639,528,527.93-959,384,300.57-196,908,658.17

Finding the Fourth Proportional to 639,528,527.93, 959,384,300.57 and 196,908,658.17

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Solution

The fourth proportional to 639,528,527.93, 959,384,300.57 and 196,908,658.17 is: 295,391,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,528,527.93 : 959,384,300.57 = 196,908,658.17 : x
  2. Step 2: Convert to fraction form
    639,528,527.93/959,384,300.57 = 196,908,658.17/x
  3. Step 3: Cross multiply
    639,528,527.93x = 959,384,300.57 × 196,908,658.17
  4. Step 4: Simplify right side
    639,528,527.93x = 188,911,075,297,286,240
  5. Step 5: Solve for x
    x = 188,911,075,297,286,240/639,528,527.93
  6. Step 6: Final answer
    x = 295,391,162.47

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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.