Home / 798,364,004.80-1,198,441,802.40-617,413,374.40

Finding the Fourth Proportional to 798,364,004.80, 1,198,441,802.40 and 617,413,374.40

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Solution

The fourth proportional to 798,364,004.80, 1,198,441,802.40 and 617,413,374.40 is: 926,812,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,364,004.80 : 1,198,441,802.40 = 617,413,374.40 : x
  2. Step 2: Convert to fraction form
    798,364,004.80/1,198,441,802.40 = 617,413,374.40/x
  3. Step 3: Cross multiply
    798,364,004.80x = 1,198,441,802.40 × 617,413,374.40
  4. Step 4: Simplify right side
    798,364,004.80x = 739,933,997,241,802,112
  5. Step 5: Solve for x
    x = 739,933,997,241,802,112/798,364,004.80
  6. Step 6: Final answer
    x = 926,812,823.21

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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.