Home / 511,788,354,841.80-706,290,130,691.80-283,417,596,827.88

Finding the Fourth Proportional to 511,788,354,841.80, 706,290,130,691.80 and 283,417,596,827.88

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Solution

The fourth proportional to 511,788,354,841.80, 706,290,130,691.80 and 283,417,596,827.88 is: 391,128,578,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,788,354,841.80 : 706,290,130,691.80 = 283,417,596,827.88 : x
  2. Step 2: Convert to fraction form
    511,788,354,841.80/706,290,130,691.80 = 283,417,596,827.88/x
  3. Step 3: Cross multiply
    511,788,354,841.80x = 706,290,130,691.80 × 283,417,596,827.88
  4. Step 4: Simplify right side
    511,788,354,841.80x = 200,175,051,503,919,253,422,080
  5. Step 5: Solve for x
    x = 200,175,051,503,919,253,422,080/511,788,354,841.80
  6. Step 6: Final answer
    x = 391,128,578,073.64

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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.