Home / 477,110,144.40-715,665,216.60-386,410,880.40

Finding the Fourth Proportional to 477,110,144.40, 715,665,216.60 and 386,410,880.40

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Solution

The fourth proportional to 477,110,144.40, 715,665,216.60 and 386,410,880.40 is: 579,616,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,110,144.40 : 715,665,216.60 = 386,410,880.40 : x
  2. Step 2: Convert to fraction form
    477,110,144.40/715,665,216.60 = 386,410,880.40/x
  3. Step 3: Cross multiply
    477,110,144.40x = 715,665,216.60 × 386,410,880.40
  4. Step 4: Simplify right side
    477,110,144.40x = 276,540,826,418,062,688
  5. Step 5: Solve for x
    x = 276,540,826,418,062,688/477,110,144.40
  6. Step 6: Final answer
    x = 579,616,320.60

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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.