Home / 877,479,664.80-1,316,219,497.20-222,429,424.80

Finding the Fourth Proportional to 877,479,664.80, 1,316,219,497.20 and 222,429,424.80

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Solution

The fourth proportional to 877,479,664.80, 1,316,219,497.20 and 222,429,424.80 is: 333,644,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,479,664.80 : 1,316,219,497.20 = 222,429,424.80 : x
  2. Step 2: Convert to fraction form
    877,479,664.80/1,316,219,497.20 = 222,429,424.80/x
  3. Step 3: Cross multiply
    877,479,664.80x = 1,316,219,497.20 × 222,429,424.80
  4. Step 4: Simplify right side
    877,479,664.80x = 292,765,945,672,741,248
  5. Step 5: Solve for x
    x = 292,765,945,672,741,248/877,479,664.80
  6. Step 6: Final answer
    x = 333,644,137.20

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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.