Home / 476,098,678.80-714,148,018.20-131,105,552.40

Finding the Fourth Proportional to 476,098,678.80, 714,148,018.20 and 131,105,552.40

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Solution

The fourth proportional to 476,098,678.80, 714,148,018.20 and 131,105,552.40 is: 196,658,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,098,678.80 : 714,148,018.20 = 131,105,552.40 : x
  2. Step 2: Convert to fraction form
    476,098,678.80/714,148,018.20 = 131,105,552.40/x
  3. Step 3: Cross multiply
    476,098,678.80x = 714,148,018.20 × 131,105,552.40
  4. Step 4: Simplify right side
    476,098,678.80x = 93,628,770,421,476,272
  5. Step 5: Solve for x
    x = 93,628,770,421,476,272/476,098,678.80
  6. Step 6: Final answer
    x = 196,658,328.60

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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.