Home / 1,492,332,343.80-2,238,498,515.70-470,993,105.40

Finding the Fourth Proportional to 1,492,332,343.80, 2,238,498,515.70 and 470,993,105.40

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Solution

The fourth proportional to 1,492,332,343.80, 2,238,498,515.70 and 470,993,105.40 is: 706,489,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,332,343.80 : 2,238,498,515.70 = 470,993,105.40 : x
  2. Step 2: Convert to fraction form
    1,492,332,343.80/2,238,498,515.70 = 470,993,105.40/x
  3. Step 3: Cross multiply
    1,492,332,343.80x = 2,238,498,515.70 × 470,993,105.40
  4. Step 4: Simplify right side
    1,492,332,343.80x = 1,054,317,367,342,833,536
  5. Step 5: Solve for x
    x = 1,054,317,367,342,833,536/1,492,332,343.80
  6. Step 6: Final answer
    x = 706,489,658.10

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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.