Home / 1,558,332,939.25-2,150,567,055.53-862,971,915.25

Finding the Fourth Proportional to 1,558,332,939.25, 2,150,567,055.53 and 862,971,915.25

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Solution

The fourth proportional to 1,558,332,939.25, 2,150,567,055.53 and 862,971,915.25 is: 1,190,938,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,332,939.25 : 2,150,567,055.53 = 862,971,915.25 : x
  2. Step 2: Convert to fraction form
    1,558,332,939.25/2,150,567,055.53 = 862,971,915.25/x
  3. Step 3: Cross multiply
    1,558,332,939.25x = 2,150,567,055.53 × 862,971,915.25
  4. Step 4: Simplify right side
    1,558,332,939.25x = 1,855,878,970,784,277,504
  5. Step 5: Solve for x
    x = 1,855,878,970,784,277,504/1,558,332,939.25
  6. Step 6: Final answer
    x = 1,190,938,678.15

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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.