Home / 639,528,543.94-959,384,324.59-196,908,674.18

Finding the Fourth Proportional to 639,528,543.94, 959,384,324.59 and 196,908,674.18

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Solution

The fourth proportional to 639,528,543.94, 959,384,324.59 and 196,908,674.18 is: 295,391,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,528,543.94 : 959,384,324.59 = 196,908,674.18 : x
  2. Step 2: Convert to fraction form
    639,528,543.94/959,384,324.59 = 196,908,674.18/x
  3. Step 3: Cross multiply
    639,528,543.94x = 959,384,324.59 × 196,908,674.18
  4. Step 4: Simplify right side
    639,528,543.94x = 188,911,095,384,091,680
  5. Step 5: Solve for x
    x = 188,911,095,384,091,680/639,528,543.94
  6. Step 6: Final answer
    x = 295,391,186.48

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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.