Home / 1,610,166,407.80-2,414,850,702.84-689,938,393.72

Finding the Fourth Proportional to 1,610,166,407.80, 2,414,850,702.84 and 689,938,393.72

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Solution

The fourth proportional to 1,610,166,407.80, 2,414,850,702.84 and 689,938,393.72 is: 1,034,736,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,166,407.80 : 2,414,850,702.84 = 689,938,393.72 : x
  2. Step 2: Convert to fraction form
    1,610,166,407.80/2,414,850,702.84 = 689,938,393.72/x
  3. Step 3: Cross multiply
    1,610,166,407.80x = 2,414,850,702.84 × 689,938,393.72
  4. Step 4: Simplify right side
    1,610,166,407.80x = 1,666,098,214,991,042,816
  5. Step 5: Solve for x
    x = 1,666,098,214,991,042,816/1,610,166,407.80
  6. Step 6: Final answer
    x = 1,034,736,662.57

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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.