Home / 313,276,680,189.80-469,914,433,757.48-98,161,690,602.15

Finding the Fourth Proportional to 313,276,680,189.80, 469,914,433,757.48 and 98,161,690,602.15

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Solution

The fourth proportional to 313,276,680,189.80, 469,914,433,757.48 and 98,161,690,602.15 is: 147,242,352,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,276,680,189.80 : 469,914,433,757.48 = 98,161,690,602.15 : x
  2. Step 2: Convert to fraction form
    313,276,680,189.80/469,914,433,757.48 = 98,161,690,602.15/x
  3. Step 3: Cross multiply
    313,276,680,189.80x = 469,914,433,757.48 × 98,161,690,602.15
  4. Step 4: Simplify right side
    313,276,680,189.80x = 46,127,595,255,986,254,774,272
  5. Step 5: Solve for x
    x = 46,127,595,255,986,254,774,272/313,276,680,189.80
  6. Step 6: Final answer
    x = 147,242,352,121.58

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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.