Home / 941,234,518.81-1,412,024,158.59-388,235,279.91

Finding the Fourth Proportional to 941,234,518.81, 1,412,024,158.59 and 388,235,279.91

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Solution

The fourth proportional to 941,234,518.81, 1,412,024,158.59 and 388,235,279.91 is: 582,424,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,234,518.81 : 1,412,024,158.59 = 388,235,279.91 : x
  2. Step 2: Convert to fraction form
    941,234,518.81/1,412,024,158.59 = 388,235,279.91/x
  3. Step 3: Cross multiply
    941,234,518.81x = 1,412,024,158.59 × 388,235,279.91
  4. Step 4: Simplify right side
    941,234,518.81x = 548,197,594,453,729,472
  5. Step 5: Solve for x
    x = 548,197,594,453,729,472/941,234,518.81
  6. Step 6: Final answer
    x = 582,424,022.39

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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.