Home / 525,453,031.80-788,179,547.70-331,961,268.60

Finding the Fourth Proportional to 525,453,031.80, 788,179,547.70 and 331,961,268.60

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Solution

The fourth proportional to 525,453,031.80, 788,179,547.70 and 331,961,268.60 is: 497,941,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,453,031.80 : 788,179,547.70 = 331,961,268.60 : x
  2. Step 2: Convert to fraction form
    525,453,031.80/788,179,547.70 = 331,961,268.60/x
  3. Step 3: Cross multiply
    525,453,031.80x = 788,179,547.70 × 331,961,268.60
  4. Step 4: Simplify right side
    525,453,031.80x = 261,645,082,539,066,240
  5. Step 5: Solve for x
    x = 261,645,082,539,066,240/525,453,031.80
  6. Step 6: Final answer
    x = 497,941,902.90

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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.