Home / 511,788,354,862.78-706,290,130,720.65-283,417,596,848.62

Finding the Fourth Proportional to 511,788,354,862.78, 706,290,130,720.65 and 283,417,596,848.62

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Solution

The fourth proportional to 511,788,354,862.78, 706,290,130,720.65 and 283,417,596,848.62 is: 391,128,578,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,788,354,862.78 : 706,290,130,720.65 = 283,417,596,848.62 : x
  2. Step 2: Convert to fraction form
    511,788,354,862.78/706,290,130,720.65 = 283,417,596,848.62/x
  3. Step 3: Cross multiply
    511,788,354,862.78x = 706,290,130,720.65 × 283,417,596,848.62
  4. Step 4: Simplify right side
    511,788,354,862.78x = 200,175,051,526,744,320,245,760
  5. Step 5: Solve for x
    x = 200,175,051,526,744,320,245,760/511,788,354,862.78
  6. Step 6: Final answer
    x = 391,128,578,102.20

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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.