Home / 1,508,020,840.85-2,081,087,912.16-829,915,866.09

Finding the Fourth Proportional to 1,508,020,840.85, 2,081,087,912.16 and 829,915,866.09

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Solution

The fourth proportional to 1,508,020,840.85, 2,081,087,912.16 and 829,915,866.09 is: 1,145,294,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,020,840.85 : 2,081,087,912.16 = 829,915,866.09 : x
  2. Step 2: Convert to fraction form
    1,508,020,840.85/2,081,087,912.16 = 829,915,866.09/x
  3. Step 3: Cross multiply
    1,508,020,840.85x = 2,081,087,912.16 × 829,915,866.09
  4. Step 4: Simplify right side
    1,508,020,840.85x = 1,727,127,877,029,696,256
  5. Step 5: Solve for x
    x = 1,727,127,877,029,696,256/1,508,020,840.85
  6. Step 6: Final answer
    x = 1,145,294,435.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.