Home / 972,695,475.89-1,459,132,907.86-317,649,935.30

Finding the Fourth Proportional to 972,695,475.89, 1,459,132,907.86 and 317,649,935.30

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Solution

The fourth proportional to 972,695,475.89, 1,459,132,907.86 and 317,649,935.30 is: 476,504,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,695,475.89 : 1,459,132,907.86 = 317,649,935.30 : x
  2. Step 2: Convert to fraction form
    972,695,475.89/1,459,132,907.86 = 317,649,935.30/x
  3. Step 3: Cross multiply
    972,695,475.89x = 1,459,132,907.86 × 317,649,935.30
  4. Step 4: Simplify right side
    972,695,475.89x = 463,493,473,775,829,824
  5. Step 5: Solve for x
    x = 463,493,473,775,829,824/972,695,475.89
  6. Step 6: Final answer
    x = 476,504,194.03

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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.