Home / 724,631,801.94-999,859,049.88-427,367,063.70

Finding the Fourth Proportional to 724,631,801.94, 999,859,049.88 and 427,367,063.70

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Solution

The fourth proportional to 724,631,801.94, 999,859,049.88 and 427,367,063.70 is: 589,688,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,631,801.94 : 999,859,049.88 = 427,367,063.70 : x
  2. Step 2: Convert to fraction form
    724,631,801.94/999,859,049.88 = 427,367,063.70/x
  3. Step 3: Cross multiply
    724,631,801.94x = 999,859,049.88 × 427,367,063.70
  4. Step 4: Simplify right side
    724,631,801.94x = 427,306,826,261,087,424
  5. Step 5: Solve for x
    x = 427,306,826,261,087,424/724,631,801.94
  6. Step 6: Final answer
    x = 589,688,204.57

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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.