Home / 1,003,142,858.63-1,504,118,192.90-381,403,601.91

Finding the Fourth Proportional to 1,003,142,858.63, 1,504,118,192.90 and 381,403,601.91

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Solution

The fourth proportional to 1,003,142,858.63, 1,504,118,192.90 and 381,403,601.91 is: 571,878,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,142,858.63 : 1,504,118,192.90 = 381,403,601.91 : x
  2. Step 2: Convert to fraction form
    1,003,142,858.63/1,504,118,192.90 = 381,403,601.91/x
  3. Step 3: Cross multiply
    1,003,142,858.63x = 1,504,118,192.90 × 381,403,601.91
  4. Step 4: Simplify right side
    1,003,142,858.63x = 573,676,096,468,513,216
  5. Step 5: Solve for x
    x = 573,676,096,468,513,216/1,003,142,858.63
  6. Step 6: Final answer
    x = 571,878,762.37

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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.