Home / 498,983,890.14-688,569,923.37-272,878,254.96

Finding the Fourth Proportional to 498,983,890.14, 688,569,923.37 and 272,878,254.96

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Solution

The fourth proportional to 498,983,890.14, 688,569,923.37 and 272,878,254.96 is: 376,556,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,983,890.14 : 688,569,923.37 = 272,878,254.96 : x
  2. Step 2: Convert to fraction form
    498,983,890.14/688,569,923.37 = 272,878,254.96/x
  3. Step 3: Cross multiply
    498,983,890.14x = 688,569,923.37 × 272,878,254.96
  4. Step 4: Simplify right side
    498,983,890.14x = 187,895,759,107,146,496
  5. Step 5: Solve for x
    x = 187,895,759,107,146,496/498,983,890.14
  6. Step 6: Final answer
    x = 376,556,764.30

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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.