Home / 328,032,030.60-492,048,045.90-133,878,918.60

Finding the Fourth Proportional to 328,032,030.60, 492,048,045.90 and 133,878,918.60

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Solution

The fourth proportional to 328,032,030.60, 492,048,045.90 and 133,878,918.60 is: 200,818,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,030.60 : 492,048,045.90 = 133,878,918.60 : x
  2. Step 2: Convert to fraction form
    328,032,030.60/492,048,045.90 = 133,878,918.60/x
  3. Step 3: Cross multiply
    328,032,030.60x = 492,048,045.90 × 133,878,918.60
  4. Step 4: Simplify right side
    328,032,030.60x = 65,874,860,284,335,160
  5. Step 5: Solve for x
    x = 65,874,860,284,335,160/328,032,030.60
  6. Step 6: Final answer
    x = 200,818,377.90

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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.