Home / 472,396,059.80-708,594,089.70-443,674,626.20

Finding the Fourth Proportional to 472,396,059.80, 708,594,089.70 and 443,674,626.20

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Solution

The fourth proportional to 472,396,059.80, 708,594,089.70 and 443,674,626.20 is: 665,511,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,059.80 : 708,594,089.70 = 443,674,626.20 : x
  2. Step 2: Convert to fraction form
    472,396,059.80/708,594,089.70 = 443,674,626.20/x
  3. Step 3: Cross multiply
    472,396,059.80x = 708,594,089.70 × 443,674,626.20
  4. Step 4: Simplify right side
    472,396,059.80x = 314,385,217,875,176,768
  5. Step 5: Solve for x
    x = 314,385,217,875,176,768/472,396,059.80
  6. Step 6: Final answer
    x = 665,511,939.30

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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.