Home / 804,819,628.40-1,207,229,442.60-396,672,940.40

Finding the Fourth Proportional to 804,819,628.40, 1,207,229,442.60 and 396,672,940.40

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Solution

The fourth proportional to 804,819,628.40, 1,207,229,442.60 and 396,672,940.40 is: 595,009,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,819,628.40 : 1,207,229,442.60 = 396,672,940.40 : x
  2. Step 2: Convert to fraction form
    804,819,628.40/1,207,229,442.60 = 396,672,940.40/x
  3. Step 3: Cross multiply
    804,819,628.40x = 1,207,229,442.60 × 396,672,940.40
  4. Step 4: Simplify right side
    804,819,628.40x = 478,875,252,733,594,944
  5. Step 5: Solve for x
    x = 478,875,252,733,594,944/804,819,628.40
  6. Step 6: Final answer
    x = 595,009,410.60

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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.