Home / 1,558,332,938.25-2,150,567,054.15-862,971,914.25

Finding the Fourth Proportional to 1,558,332,938.25, 2,150,567,054.15 and 862,971,914.25

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Solution

The fourth proportional to 1,558,332,938.25, 2,150,567,054.15 and 862,971,914.25 is: 1,190,938,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,332,938.25 : 2,150,567,054.15 = 862,971,914.25 : x
  2. Step 2: Convert to fraction form
    1,558,332,938.25/2,150,567,054.15 = 862,971,914.25/x
  3. Step 3: Cross multiply
    1,558,332,938.25x = 2,150,567,054.15 × 862,971,914.25
  4. Step 4: Simplify right side
    1,558,332,938.25x = 1,855,878,967,438,493,952
  5. Step 5: Solve for x
    x = 1,855,878,967,438,493,952/1,558,332,938.25
  6. Step 6: Final answer
    x = 1,190,938,676.76

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Double scale
Find fourth proportional to 1,558,332,939.25, 2,150,567,055.53 and 862,971,915.25
Similar ratio
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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.