Home / 505,511,585.40-758,267,378.10-233,413,793.40

Finding the Fourth Proportional to 505,511,585.40, 758,267,378.10 and 233,413,793.40

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Solution

The fourth proportional to 505,511,585.40, 758,267,378.10 and 233,413,793.40 is: 350,120,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,511,585.40 : 758,267,378.10 = 233,413,793.40 : x
  2. Step 2: Convert to fraction form
    505,511,585.40/758,267,378.10 = 233,413,793.40/x
  3. Step 3: Cross multiply
    505,511,585.40x = 758,267,378.10 × 233,413,793.40
  4. Step 4: Simplify right side
    505,511,585.40x = 176,990,065,133,793,088
  5. Step 5: Solve for x
    x = 176,990,065,133,793,088/505,511,585.40
  6. Step 6: Final answer
    x = 350,120,690.10

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Double scale
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Similar ratio
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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.