Home / 680,522,108.49-1,020,964,818.61-243,866,932.34

Finding the Fourth Proportional to 680,522,108.49, 1,020,964,818.61 and 243,866,932.34

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Solution

The fourth proportional to 680,522,108.49, 1,020,964,818.61 and 243,866,932.34 is: 365,865,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,522,108.49 : 1,020,964,818.61 = 243,866,932.34 : x
  2. Step 2: Convert to fraction form
    680,522,108.49/1,020,964,818.61 = 243,866,932.34/x
  3. Step 3: Cross multiply
    680,522,108.49x = 1,020,964,818.61 × 243,866,932.34
  4. Step 4: Simplify right side
    680,522,108.49x = 248,979,558,344,596,960
  5. Step 5: Solve for x
    x = 248,979,558,344,596,960/680,522,108.49
  6. Step 6: Final answer
    x = 365,865,495.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.