Home / 2,650,644,037.80-3,975,966,056.70-905,816,946.60

Finding the Fourth Proportional to 2,650,644,037.80, 3,975,966,056.70 and 905,816,946.60

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Solution

The fourth proportional to 2,650,644,037.80, 3,975,966,056.70 and 905,816,946.60 is: 1,358,725,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,644,037.80 : 3,975,966,056.70 = 905,816,946.60 : x
  2. Step 2: Convert to fraction form
    2,650,644,037.80/3,975,966,056.70 = 905,816,946.60/x
  3. Step 3: Cross multiply
    2,650,644,037.80x = 3,975,966,056.70 × 905,816,946.60
  4. Step 4: Simplify right side
    2,650,644,037.80x = 3,601,497,433,265,236,480
  5. Step 5: Solve for x
    x = 3,601,497,433,265,236,480/2,650,644,037.80
  6. Step 6: Final answer
    x = 1,358,725,419.90

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Double scale
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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.