Home / 502,833,630.32-693,970,818.80-304,589,308.36

Finding the Fourth Proportional to 502,833,630.32, 693,970,818.80 and 304,589,308.36

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Solution

The fourth proportional to 502,833,630.32, 693,970,818.80 and 304,589,308.36 is: 420,369,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,833,630.32 : 693,970,818.80 = 304,589,308.36 : x
  2. Step 2: Convert to fraction form
    502,833,630.32/693,970,818.80 = 304,589,308.36/x
  3. Step 3: Cross multiply
    502,833,630.32x = 693,970,818.80 × 304,589,308.36
  4. Step 4: Simplify right side
    502,833,630.32x = 211,376,091,720,314,880
  5. Step 5: Solve for x
    x = 211,376,091,720,314,880/502,833,630.32
  6. Step 6: Final answer
    x = 420,369,838.00

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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.