Home / 511,788,354,839.50-706,290,130,688.60-283,417,596,825.53

Finding the Fourth Proportional to 511,788,354,839.50, 706,290,130,688.60 and 283,417,596,825.53

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Solution

The fourth proportional to 511,788,354,839.50, 706,290,130,688.60 and 283,417,596,825.53 is: 391,128,578,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,788,354,839.50 : 706,290,130,688.60 = 283,417,596,825.53 : x
  2. Step 2: Convert to fraction form
    511,788,354,839.50/706,290,130,688.60 = 283,417,596,825.53/x
  3. Step 3: Cross multiply
    511,788,354,839.50x = 706,290,130,688.60 × 283,417,596,825.53
  4. Step 4: Simplify right side
    511,788,354,839.50x = 200,175,051,501,352,540,700,672
  5. Step 5: Solve for x
    x = 200,175,051,501,352,540,700,672/511,788,354,839.50
  6. Step 6: Final answer
    x = 391,128,578,070.38

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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.