Home / 724,631,797.46-999,859,043.66-427,367,059.22

Finding the Fourth Proportional to 724,631,797.46, 999,859,043.66 and 427,367,059.22

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Solution

The fourth proportional to 724,631,797.46, 999,859,043.66 and 427,367,059.22 is: 589,688,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,631,797.46 : 999,859,043.66 = 427,367,059.22 : x
  2. Step 2: Convert to fraction form
    724,631,797.46/999,859,043.66 = 427,367,059.22/x
  3. Step 3: Cross multiply
    724,631,797.46x = 999,859,043.66 × 427,367,059.22
  4. Step 4: Simplify right side
    724,631,797.46x = 427,306,819,116,359,616
  5. Step 5: Solve for x
    x = 427,306,819,116,359,616/724,631,797.46
  6. Step 6: Final answer
    x = 589,688,198.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.