Home / 1,610,166,405.80-2,414,850,699.84-689,938,391.72

Finding the Fourth Proportional to 1,610,166,405.80, 2,414,850,699.84 and 689,938,391.72

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Solution

The fourth proportional to 1,610,166,405.80, 2,414,850,699.84 and 689,938,391.72 is: 1,034,736,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,166,405.80 : 2,414,850,699.84 = 689,938,391.72 : x
  2. Step 2: Convert to fraction form
    1,610,166,405.80/2,414,850,699.84 = 689,938,391.72/x
  3. Step 3: Cross multiply
    1,610,166,405.80x = 2,414,850,699.84 × 689,938,391.72
  4. Step 4: Simplify right side
    1,610,166,405.80x = 1,666,098,208,091,526,144
  5. Step 5: Solve for x
    x = 1,666,098,208,091,526,144/1,610,166,405.80
  6. Step 6: Final answer
    x = 1,034,736,659.57

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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.