Home / 505,209,740.70-757,814,611.05-246,590,867.10

Finding the Fourth Proportional to 505,209,740.70, 757,814,611.05 and 246,590,867.10

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Solution

The fourth proportional to 505,209,740.70, 757,814,611.05 and 246,590,867.10 is: 369,886,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,209,740.70 : 757,814,611.05 = 246,590,867.10 : x
  2. Step 2: Convert to fraction form
    505,209,740.70/757,814,611.05 = 246,590,867.10/x
  3. Step 3: Cross multiply
    505,209,740.70x = 757,814,611.05 × 246,590,867.10
  4. Step 4: Simplify right side
    505,209,740.70x = 186,870,162,039,868,736
  5. Step 5: Solve for x
    x = 186,870,162,039,868,736/505,209,740.70
  6. Step 6: Final answer
    x = 369,886,300.65

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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.