Home / 15,938,211,868.76-21,994,740,728.56-8,704,358,377.14

Finding the Fourth Proportional to 15,938,211,868.76, 21,994,740,728.56 and 8,704,358,377.14

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Solution

The fourth proportional to 15,938,211,868.76, 21,994,740,728.56 and 8,704,358,377.14 is: 12,012,019,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938,211,868.76 : 21,994,740,728.56 = 8,704,358,377.14 : x
  2. Step 2: Convert to fraction form
    15,938,211,868.76/21,994,740,728.56 = 8,704,358,377.14/x
  3. Step 3: Cross multiply
    15,938,211,868.76x = 21,994,740,728.56 × 8,704,358,377.14
  4. Step 4: Simplify right side
    15,938,211,868.76x = 191,450,105,713,663,574,016
  5. Step 5: Solve for x
    x = 191,450,105,713,663,574,016/15,938,211,868.76
  6. Step 6: Final answer
    x = 12,012,019,120.47

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Double scale
Find fourth proportional to 15,938,211,869.76, 21,994,740,729.94 and 8,704,358,378.14
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.