Home / 1,297,668,897.70-1,946,692,303.35-424,058,625.70

Finding the Fourth Proportional to 1,297,668,897.70, 1,946,692,303.35 and 424,058,625.70

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Solution

The fourth proportional to 1,297,668,897.70, 1,946,692,303.35 and 424,058,625.70 is: 636,149,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,668,897.70 : 1,946,692,303.35 = 424,058,625.70 : x
  2. Step 2: Convert to fraction form
    1,297,668,897.70/1,946,692,303.35 = 424,058,625.70/x
  3. Step 3: Cross multiply
    1,297,668,897.70x = 1,946,692,303.35 × 424,058,625.70
  4. Step 4: Simplify right side
    1,297,668,897.70x = 825,511,662,819,368,448
  5. Step 5: Solve for x
    x = 825,511,662,819,368,448/1,297,668,897.70
  6. Step 6: Final answer
    x = 636,149,686.78

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Double scale
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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.