Home / 710,048,234.20-1,065,072,351.30-419,054,762.20

Finding the Fourth Proportional to 710,048,234.20, 1,065,072,351.30 and 419,054,762.20

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Solution

The fourth proportional to 710,048,234.20, 1,065,072,351.30 and 419,054,762.20 is: 628,582,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,048,234.20 : 1,065,072,351.30 = 419,054,762.20 : x
  2. Step 2: Convert to fraction form
    710,048,234.20/1,065,072,351.30 = 419,054,762.20/x
  3. Step 3: Cross multiply
    710,048,234.20x = 1,065,072,351.30 × 419,054,762.20
  4. Step 4: Simplify right side
    710,048,234.20x = 446,323,640,899,816,320
  5. Step 5: Solve for x
    x = 446,323,640,899,816,320/710,048,234.20
  6. Step 6: Final answer
    x = 628,582,143.30

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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.