Home / 972,695,532.34-1,459,132,992.44-317,649,991.55

Finding the Fourth Proportional to 972,695,532.34, 1,459,132,992.44 and 317,649,991.55

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Solution

The fourth proportional to 972,695,532.34, 1,459,132,992.44 and 317,649,991.55 is: 476,504,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,695,532.34 : 1,459,132,992.44 = 317,649,991.55 : x
  2. Step 2: Convert to fraction form
    972,695,532.34/1,459,132,992.44 = 317,649,991.55/x
  3. Step 3: Cross multiply
    972,695,532.34x = 1,459,132,992.44 × 317,649,991.55
  4. Step 4: Simplify right side
    972,695,532.34x = 463,493,582,717,303,936
  5. Step 5: Solve for x
    x = 463,493,582,717,303,936/972,695,532.34
  6. Step 6: Final answer
    x = 476,504,278.38

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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.