Home / 4,752,433,412.20-7,128,331,253.70-1,258,763,897.80

Finding the Fourth Proportional to 4,752,433,412.20, 7,128,331,253.70 and 1,258,763,897.80

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Solution

The fourth proportional to 4,752,433,412.20, 7,128,331,253.70 and 1,258,763,897.80 is: 1,888,061,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,433,412.20 : 7,128,331,253.70 = 1,258,763,897.80 : x
  2. Step 2: Convert to fraction form
    4,752,433,412.20/7,128,331,253.70 = 1,258,763,897.80/x
  3. Step 3: Cross multiply
    4,752,433,412.20x = 7,128,331,253.70 × 1,258,763,897.80
  4. Step 4: Simplify right side
    4,752,433,412.20x = 8,972,886,033,716,972,544
  5. Step 5: Solve for x
    x = 8,972,886,033,716,972,544/4,752,433,412.20
  6. Step 6: Final answer
    x = 1,888,061,389.92

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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.