Home / 1,284,450,152.40-1,926,675,228.60-897,029,663.40

Finding the Fourth Proportional to 1,284,450,152.40, 1,926,675,228.60 and 897,029,663.40

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Solution

The fourth proportional to 1,284,450,152.40, 1,926,675,228.60 and 897,029,663.40 is: 1,345,544,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,450,152.40 : 1,926,675,228.60 = 897,029,663.40 : x
  2. Step 2: Convert to fraction form
    1,284,450,152.40/1,926,675,228.60 = 897,029,663.40/x
  3. Step 3: Cross multiply
    1,284,450,152.40x = 1,926,675,228.60 × 897,029,663.40
  4. Step 4: Simplify right side
    1,284,450,152.40x = 1,728,284,831,792,175,872
  5. Step 5: Solve for x
    x = 1,728,284,831,792,175,872/1,284,450,152.40
  6. Step 6: Final answer
    x = 1,345,544,495.10

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Double scale
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Similar ratio
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1.5x scale

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.