Home / 511,880,703,736.25-706,127,557,787.70-316,501,530,703.39

Finding the Fourth Proportional to 511,880,703,736.25, 706,127,557,787.70 and 316,501,530,703.39

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Solution

The fourth proportional to 511,880,703,736.25, 706,127,557,787.70 and 316,501,530,703.39 is: 436,606,520,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,880,703,736.25 : 706,127,557,787.70 = 316,501,530,703.39 : x
  2. Step 2: Convert to fraction form
    511,880,703,736.25/706,127,557,787.70 = 316,501,530,703.39/x
  3. Step 3: Cross multiply
    511,880,703,736.25x = 706,127,557,787.70 × 316,501,530,703.39
  4. Step 4: Simplify right side
    511,880,703,736.25x = 223,490,452,911,653,528,797,184
  5. Step 5: Solve for x
    x = 223,490,452,911,653,528,797,184/511,880,703,736.25
  6. Step 6: Final answer
    x = 436,606,520,387.24

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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.