Home / 852,768,005.80-1,279,152,008.70-715,018,498.60

Finding the Fourth Proportional to 852,768,005.80, 1,279,152,008.70 and 715,018,498.60

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Solution

The fourth proportional to 852,768,005.80, 1,279,152,008.70 and 715,018,498.60 is: 1,072,527,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,768,005.80 : 1,279,152,008.70 = 715,018,498.60 : x
  2. Step 2: Convert to fraction form
    852,768,005.80/1,279,152,008.70 = 715,018,498.60/x
  3. Step 3: Cross multiply
    852,768,005.80x = 1,279,152,008.70 × 715,018,498.60
  4. Step 4: Simplify right side
    852,768,005.80x = 914,617,348,741,848,192
  5. Step 5: Solve for x
    x = 914,617,348,741,848,192/852,768,005.80
  6. Step 6: Final answer
    x = 1,072,527,747.90

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1.5x scale

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.