Home / 470,304,975.94-649,062,186.96-258,649,069.30

Finding the Fourth Proportional to 470,304,975.94, 649,062,186.96 and 258,649,069.30

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Solution

The fourth proportional to 470,304,975.94, 649,062,186.96 and 258,649,069.30 is: 356,958,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,304,975.94 : 649,062,186.96 = 258,649,069.30 : x
  2. Step 2: Convert to fraction form
    470,304,975.94/649,062,186.96 = 258,649,069.30/x
  3. Step 3: Cross multiply
    470,304,975.94x = 649,062,186.96 × 258,649,069.30
  4. Step 4: Simplify right side
    470,304,975.94x = 167,879,330,575,026,624
  5. Step 5: Solve for x
    x = 167,879,330,575,026,624/470,304,975.94
  6. Step 6: Final answer
    x = 356,958,440.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.