Home / 852,984,807.40-1,279,477,211.10-557,078,458.60

Finding the Fourth Proportional to 852,984,807.40, 1,279,477,211.10 and 557,078,458.60

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Solution

The fourth proportional to 852,984,807.40, 1,279,477,211.10 and 557,078,458.60 is: 835,617,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,984,807.40 : 1,279,477,211.10 = 557,078,458.60 : x
  2. Step 2: Convert to fraction form
    852,984,807.40/1,279,477,211.10 = 557,078,458.60/x
  3. Step 3: Cross multiply
    852,984,807.40x = 1,279,477,211.10 × 557,078,458.60
  4. Step 4: Simplify right side
    852,984,807.40x = 712,769,192,573,414,784
  5. Step 5: Solve for x
    x = 712,769,192,573,414,784/852,984,807.40
  6. Step 6: Final answer
    x = 835,617,687.90

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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.