Home / 560,869,490.25-773,985,637.31-313,352,703.45

Finding the Fourth Proportional to 560,869,490.25, 773,985,637.31 and 313,352,703.45

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Solution

The fourth proportional to 560,869,490.25, 773,985,637.31 and 313,352,703.45 is: 432,418,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,869,490.25 : 773,985,637.31 = 313,352,703.45 : x
  2. Step 2: Convert to fraction form
    560,869,490.25/773,985,637.31 = 313,352,703.45/x
  3. Step 3: Cross multiply
    560,869,490.25x = 773,985,637.31 × 313,352,703.45
  4. Step 4: Simplify right side
    560,869,490.25x = 242,530,491,880,992,896
  5. Step 5: Solve for x
    x = 242,530,491,880,992,896/560,869,490.25
  6. Step 6: Final answer
    x = 432,418,764.25

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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.