Home / 1,938,630,455,726.70-2,907,945,683,790-647,841,709,939.92

Finding the Fourth Proportional to 1,938,630,455,726.70, 2,907,945,683,790 and 647,841,709,939.92

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Solution

The fourth proportional to 1,938,630,455,726.70, 2,907,945,683,790 and 647,841,709,939.92 is: 971,762,564,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,630,455,726.70 : 2,907,945,683,790 = 647,841,709,939.92 : x
  2. Step 2: Convert to fraction form
    1,938,630,455,726.70/2,907,945,683,790 = 647,841,709,939.92/x
  3. Step 3: Cross multiply
    1,938,630,455,726.70x = 2,907,945,683,790 × 647,841,709,939.92
  4. Step 4: Simplify right side
    1,938,630,455,726.70x = 1,883,888,504,198,923,615,731,712
  5. Step 5: Solve for x
    x = 1,883,888,504,198,923,615,731,712/1,938,630,455,726.70
  6. Step 6: Final answer
    x = 971,762,564,976.70

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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.