Home / 1,347,280,937.88-2,020,992,777.69-415,243,947.00

Finding the Fourth Proportional to 1,347,280,937.88, 2,020,992,777.69 and 415,243,947.00

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Solution

The fourth proportional to 1,347,280,937.88, 2,020,992,777.69 and 415,243,947.00 is: 622,887,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,280,937.88 : 2,020,992,777.69 = 415,243,947.00 : x
  2. Step 2: Convert to fraction form
    1,347,280,937.88/2,020,992,777.69 = 415,243,947.00/x
  3. Step 3: Cross multiply
    1,347,280,937.88x = 2,020,992,777.69 × 415,243,947.00
  4. Step 4: Simplify right side
    1,347,280,937.88x = 839,205,017,861,152,128
  5. Step 5: Solve for x
    x = 839,205,017,861,152,128/1,347,280,937.88
  6. Step 6: Final answer
    x = 622,887,917.63

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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.