Home / 1,347,280,942.11-2,020,992,784.02-415,243,951.22

Finding the Fourth Proportional to 1,347,280,942.11, 2,020,992,784.02 and 415,243,951.22

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Solution

The fourth proportional to 1,347,280,942.11, 2,020,992,784.02 and 415,243,951.22 is: 622,887,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,280,942.11 : 2,020,992,784.02 = 415,243,951.22 : x
  2. Step 2: Convert to fraction form
    1,347,280,942.11/2,020,992,784.02 = 415,243,951.22/x
  3. Step 3: Cross multiply
    1,347,280,942.11x = 2,020,992,784.02 × 415,243,951.22
  4. Step 4: Simplify right side
    1,347,280,942.11x = 839,205,029,018,430,080
  5. Step 5: Solve for x
    x = 839,205,029,018,430,080/1,347,280,942.11
  6. Step 6: Final answer
    x = 622,887,923.96

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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.