Home / 1,938,630,455,818.70-2,907,945,683,928.20-647,841,710,032.32

Finding the Fourth Proportional to 1,938,630,455,818.70, 2,907,945,683,928.20 and 647,841,710,032.32

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Solution

The fourth proportional to 1,938,630,455,818.70, 2,907,945,683,928.20 and 647,841,710,032.32 is: 971,762,565,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,630,455,818.70 : 2,907,945,683,928.20 = 647,841,710,032.32 : x
  2. Step 2: Convert to fraction form
    1,938,630,455,818.70/2,907,945,683,928.20 = 647,841,710,032.32/x
  3. Step 3: Cross multiply
    1,938,630,455,818.70x = 2,907,945,683,928.20 × 647,841,710,032.32
  4. Step 4: Simplify right side
    1,938,630,455,818.70x = 1,883,888,504,557,149,389,586,432
  5. Step 5: Solve for x
    x = 1,883,888,504,557,149,389,586,432/1,938,630,455,818.70
  6. Step 6: Final answer
    x = 971,762,565,115.37

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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.