Home / 987,256,992.72-1,480,454,968.40-373,410,751.26

Finding the Fourth Proportional to 987,256,992.72, 1,480,454,968.40 and 373,410,751.26

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Solution

The fourth proportional to 987,256,992.72, 1,480,454,968.40 and 373,410,751.26 is: 559,953,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,256,992.72 : 1,480,454,968.40 = 373,410,751.26 : x
  2. Step 2: Convert to fraction form
    987,256,992.72/1,480,454,968.40 = 373,410,751.26/x
  3. Step 3: Cross multiply
    987,256,992.72x = 1,480,454,968.40 × 373,410,751.26
  4. Step 4: Simplify right side
    987,256,992.72x = 552,817,801,956,843,584
  5. Step 5: Solve for x
    x = 552,817,801,956,843,584/987,256,992.72
  6. Step 6: Final answer
    x = 559,953,290.82

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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.