Home / 1,938,630,455,819.70-2,907,945,683,929.70-647,841,710,033.32

Finding the Fourth Proportional to 1,938,630,455,819.70, 2,907,945,683,929.70 and 647,841,710,033.32

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Solution

The fourth proportional to 1,938,630,455,819.70, 2,907,945,683,929.70 and 647,841,710,033.32 is: 971,762,565,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,630,455,819.70 : 2,907,945,683,929.70 = 647,841,710,033.32 : x
  2. Step 2: Convert to fraction form
    1,938,630,455,819.70/2,907,945,683,929.70 = 647,841,710,033.32/x
  3. Step 3: Cross multiply
    1,938,630,455,819.70x = 2,907,945,683,929.70 × 647,841,710,033.32
  4. Step 4: Simplify right side
    1,938,630,455,819.70x = 1,883,888,504,561,029,087,232,000
  5. Step 5: Solve for x
    x = 1,883,888,504,561,029,087,232,000/1,938,630,455,819.70
  6. Step 6: Final answer
    x = 971,762,565,116.87

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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.