Home / 852,768,003.80-1,279,152,005.70-715,018,496.60

Finding the Fourth Proportional to 852,768,003.80, 1,279,152,005.70 and 715,018,496.60

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Solution

The fourth proportional to 852,768,003.80, 1,279,152,005.70 and 715,018,496.60 is: 1,072,527,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,768,003.80 : 1,279,152,005.70 = 715,018,496.60 : x
  2. Step 2: Convert to fraction form
    852,768,003.80/1,279,152,005.70 = 715,018,496.60/x
  3. Step 3: Cross multiply
    852,768,003.80x = 1,279,152,005.70 × 715,018,496.60
  4. Step 4: Simplify right side
    852,768,003.80x = 914,617,344,038,488,704
  5. Step 5: Solve for x
    x = 914,617,344,038,488,704/852,768,003.80
  6. Step 6: Final answer
    x = 1,072,527,744.90

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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.