Home / 543,749,585,699.31-750,375,172,432.71-296,552,461,961.88

Finding the Fourth Proportional to 543,749,585,699.31, 750,375,172,432.71 and 296,552,461,961.88

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Solution

The fourth proportional to 543,749,585,699.31, 750,375,172,432.71 and 296,552,461,961.88 is: 409,242,803,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,749,585,699.31 : 750,375,172,432.71 = 296,552,461,961.88 : x
  2. Step 2: Convert to fraction form
    543,749,585,699.31/750,375,172,432.71 = 296,552,461,961.88/x
  3. Step 3: Cross multiply
    543,749,585,699.31x = 750,375,172,432.71 × 296,552,461,961.88
  4. Step 4: Simplify right side
    543,749,585,699.31x = 222,525,604,779,990,368,387,072
  5. Step 5: Solve for x
    x = 222,525,604,779,990,368,387,072/543,749,585,699.31
  6. Step 6: Final answer
    x = 409,242,803,364.72

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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.