Home / 990,085,232.10-1,485,128,123.34-368,219,212.44

Finding the Fourth Proportional to 990,085,232.10, 1,485,128,123.34 and 368,219,212.44

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Solution

The fourth proportional to 990,085,232.10, 1,485,128,123.34 and 368,219,212.44 is: 552,328,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,085,232.10 : 1,485,128,123.34 = 368,219,212.44 : x
  2. Step 2: Convert to fraction form
    990,085,232.10/1,485,128,123.34 = 368,219,212.44/x
  3. Step 3: Cross multiply
    990,085,232.10x = 1,485,128,123.34 × 368,219,212.44
  4. Step 4: Simplify right side
    990,085,232.10x = 546,852,707,948,749,952
  5. Step 5: Solve for x
    x = 546,852,707,948,749,952/990,085,232.10
  6. Step 6: Final answer
    x = 552,328,921.00

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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.