Home / 505,528,779.60-758,293,169.40-233,430,987.60

Finding the Fourth Proportional to 505,528,779.60, 758,293,169.40 and 233,430,987.60

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Solution

The fourth proportional to 505,528,779.60, 758,293,169.40 and 233,430,987.60 is: 350,146,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,528,779.60 : 758,293,169.40 = 233,430,987.60 : x
  2. Step 2: Convert to fraction form
    505,528,779.60/758,293,169.40 = 233,430,987.60/x
  3. Step 3: Cross multiply
    505,528,779.60x = 758,293,169.40 × 233,430,987.60
  4. Step 4: Simplify right side
    505,528,779.60x = 177,009,123,423,376,096
  5. Step 5: Solve for x
    x = 177,009,123,423,376,096/505,528,779.60
  6. Step 6: Final answer
    x = 350,146,481.40

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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.