Home / 328,032,010.60-492,048,015.90-133,878,898.60

Finding the Fourth Proportional to 328,032,010.60, 492,048,015.90 and 133,878,898.60

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Solution

The fourth proportional to 328,032,010.60, 492,048,015.90 and 133,878,898.60 is: 200,818,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,010.60 : 492,048,015.90 = 133,878,898.60 : x
  2. Step 2: Convert to fraction form
    328,032,010.60/492,048,015.90 = 133,878,898.60/x
  3. Step 3: Cross multiply
    328,032,010.60x = 492,048,015.90 × 133,878,898.60
  4. Step 4: Simplify right side
    328,032,010.60x = 65,874,846,427,007,280
  5. Step 5: Solve for x
    x = 65,874,846,427,007,280/328,032,010.60
  6. Step 6: Final answer
    x = 200,818,347.90

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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.