Home / 920,404,054.08-1,380,799,979.46-298,570,732.02

Finding the Fourth Proportional to 920,404,054.08, 1,380,799,979.46 and 298,570,732.02

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Solution

The fourth proportional to 920,404,054.08, 1,380,799,979.46 and 298,570,732.02 is: 447,918,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,404,054.08 : 1,380,799,979.46 = 298,570,732.02 : x
  2. Step 2: Convert to fraction form
    920,404,054.08/1,380,799,979.46 = 298,570,732.02/x
  3. Step 3: Cross multiply
    920,404,054.08x = 1,380,799,979.46 × 298,570,732.02
  4. Step 4: Simplify right side
    920,404,054.08x = 412,266,460,640,573,120
  5. Step 5: Solve for x
    x = 412,266,460,640,573,120/920,404,054.08
  6. Step 6: Final answer
    x = 447,918,996.89

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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.