Home / 4,752,433,454.20-7,128,331,316.70-1,258,763,939.80

Finding the Fourth Proportional to 4,752,433,454.20, 7,128,331,316.70 and 1,258,763,939.80

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Solution

The fourth proportional to 4,752,433,454.20, 7,128,331,316.70 and 1,258,763,939.80 is: 1,888,061,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,433,454.20 : 7,128,331,316.70 = 1,258,763,939.80 : x
  2. Step 2: Convert to fraction form
    4,752,433,454.20/7,128,331,316.70 = 1,258,763,939.80/x
  3. Step 3: Cross multiply
    4,752,433,454.20x = 7,128,331,316.70 × 1,258,763,939.80
  4. Step 4: Simplify right side
    4,752,433,454.20x = 8,972,886,412,409,013,248
  5. Step 5: Solve for x
    x = 8,972,886,412,409,013,248/4,752,433,454.20
  6. Step 6: Final answer
    x = 1,888,061,452.91

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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.