Home / 1,563,571,285.20-2,345,355,045.90-399,039,901.20

Finding the Fourth Proportional to 1,563,571,285.20, 2,345,355,045.90 and 399,039,901.20

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Solution

The fourth proportional to 1,563,571,285.20, 2,345,355,045.90 and 399,039,901.20 is: 598,559,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,571,285.20 : 2,345,355,045.90 = 399,039,901.20 : x
  2. Step 2: Convert to fraction form
    1,563,571,285.20/2,345,355,045.90 = 399,039,901.20/x
  3. Step 3: Cross multiply
    1,563,571,285.20x = 2,345,355,045.90 × 399,039,901.20
  4. Step 4: Simplify right side
    1,563,571,285.20x = 935,890,245,794,857,472
  5. Step 5: Solve for x
    x = 935,890,245,794,857,472/1,563,571,285.20
  6. Step 6: Final answer
    x = 598,559,371.52

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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.