Home / 1,147,355,863.40-1,721,033,795.10-897,684,881.60

Finding the Fourth Proportional to 1,147,355,863.40, 1,721,033,795.10 and 897,684,881.60

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Solution

The fourth proportional to 1,147,355,863.40, 1,721,033,795.10 and 897,684,881.60 is: 1,346,527,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,355,863.40 : 1,721,033,795.10 = 897,684,881.60 : x
  2. Step 2: Convert to fraction form
    1,147,355,863.40/1,721,033,795.10 = 897,684,881.60/x
  3. Step 3: Cross multiply
    1,147,355,863.40x = 1,721,033,795.10 × 897,684,881.60
  4. Step 4: Simplify right side
    1,147,355,863.40x = 1,544,946,018,583,942,144
  5. Step 5: Solve for x
    x = 1,544,946,018,583,942,144/1,147,355,863.40
  6. Step 6: Final answer
    x = 1,346,527,322.40

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Double scale
Find fourth proportional to 1,147,355,864.40, 1,721,033,796.60 and 897,684,882.60
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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.