Home / 309,387,064,035.84-464,080,486,825.53-82,740,625,479.74

Finding the Fourth Proportional to 309,387,064,035.84, 464,080,486,825.53 and 82,740,625,479.74

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Solution

The fourth proportional to 309,387,064,035.84, 464,080,486,825.53 and 82,740,625,479.74 is: 124,110,909,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,387,064,035.84 : 464,080,486,825.53 = 82,740,625,479.74 : x
  2. Step 2: Convert to fraction form
    309,387,064,035.84/464,080,486,825.53 = 82,740,625,479.74/x
  3. Step 3: Cross multiply
    309,387,064,035.84x = 464,080,486,825.53 × 82,740,625,479.74
  4. Step 4: Simplify right side
    309,387,064,035.84x = 38,398,309,752,884,273,610,752
  5. Step 5: Solve for x
    x = 38,398,309,752,884,273,610,752/309,387,064,035.84
  6. Step 6: Final answer
    x = 124,110,909,008.26

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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.