Home / 336,013,072.80-504,019,609.20-315,605,738.40

Finding the Fourth Proportional to 336,013,072.80, 504,019,609.20 and 315,605,738.40

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Solution

The fourth proportional to 336,013,072.80, 504,019,609.20 and 315,605,738.40 is: 473,408,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,013,072.80 : 504,019,609.20 = 315,605,738.40 : x
  2. Step 2: Convert to fraction form
    336,013,072.80/504,019,609.20 = 315,605,738.40/x
  3. Step 3: Cross multiply
    336,013,072.80x = 504,019,609.20 × 315,605,738.40
  4. Step 4: Simplify right side
    336,013,072.80x = 159,071,480,929,645,408
  5. Step 5: Solve for x
    x = 159,071,480,929,645,408/336,013,072.80
  6. Step 6: Final answer
    x = 473,408,607.60

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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.