Home / 511,788,354,842.55-706,290,130,692.82-283,417,596,828.63

Finding the Fourth Proportional to 511,788,354,842.55, 706,290,130,692.82 and 283,417,596,828.63

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Solution

The fourth proportional to 511,788,354,842.55, 706,290,130,692.82 and 283,417,596,828.63 is: 391,128,578,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,788,354,842.55 : 706,290,130,692.82 = 283,417,596,828.63 : x
  2. Step 2: Convert to fraction form
    511,788,354,842.55/706,290,130,692.82 = 283,417,596,828.63/x
  3. Step 3: Cross multiply
    511,788,354,842.55x = 706,290,130,692.82 × 283,417,596,828.63
  4. Step 4: Simplify right side
    511,788,354,842.55x = 200,175,051,504,738,048,671,744
  5. Step 5: Solve for x
    x = 200,175,051,504,738,048,671,744/511,788,354,842.55
  6. Step 6: Final answer
    x = 391,128,578,074.66

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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.