Home / 1,297,668,862.20-1,946,692,250.10-424,058,590.20

Finding the Fourth Proportional to 1,297,668,862.20, 1,946,692,250.10 and 424,058,590.20

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Solution

The fourth proportional to 1,297,668,862.20, 1,946,692,250.10 and 424,058,590.20 is: 636,149,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,668,862.20 : 1,946,692,250.10 = 424,058,590.20 : x
  2. Step 2: Convert to fraction form
    1,297,668,862.20/1,946,692,250.10 = 424,058,590.20/x
  3. Step 3: Cross multiply
    1,297,668,862.20x = 1,946,692,250.10 × 424,058,590.20
  4. Step 4: Simplify right side
    1,297,668,862.20x = 825,511,571,130,671,744
  5. Step 5: Solve for x
    x = 825,511,571,130,671,744/1,297,668,862.20
  6. Step 6: Final answer
    x = 636,149,633.53

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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.