Home / 680,809,968.80-1,019,703,298.80-559,877,616.80

Finding the Fourth Proportional to 680,809,968.80, 1,019,703,298.80 and 559,877,616.80

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Solution

The fourth proportional to 680,809,968.80, 1,019,703,298.80 and 559,877,616.80 is: 838,573,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,809,968.80 : 1,019,703,298.80 = 559,877,616.80 : x
  2. Step 2: Convert to fraction form
    680,809,968.80/1,019,703,298.80 = 559,877,616.80/x
  3. Step 3: Cross multiply
    680,809,968.80x = 1,019,703,298.80 × 559,877,616.80
  4. Step 4: Simplify right side
    680,809,968.80x = 570,909,052,775,242,240
  5. Step 5: Solve for x
    x = 570,909,052,775,242,240/680,809,968.80
  6. Step 6: Final answer
    x = 838,573,286.14

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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.