Home / 712,571,376,892.64-983,352,387,603.12-419,609,081,412.32

Finding the Fourth Proportional to 712,571,376,892.64, 983,352,387,603.12 and 419,609,081,412.32

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Solution

The fourth proportional to 712,571,376,892.64, 983,352,387,603.12 and 419,609,081,412.32 is: 579,062,821,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,571,376,892.64 : 983,352,387,603.12 = 419,609,081,412.32 : x
  2. Step 2: Convert to fraction form
    712,571,376,892.64/983,352,387,603.12 = 419,609,081,412.32/x
  3. Step 3: Cross multiply
    712,571,376,892.64x = 983,352,387,603.12 × 419,609,081,412.32
  4. Step 4: Simplify right side
    712,571,376,892.64x = 412,623,592,066,756,863,066,112
  5. Step 5: Solve for x
    x = 412,623,592,066,756,863,066,112/712,571,376,892.64
  6. Step 6: Final answer
    x = 579,062,821,560.58

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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.