Home / 1,380,032,773,771.30-2,070,091,332,341-473,457,865,191.39

Finding the Fourth Proportional to 1,380,032,773,771.30, 2,070,091,332,341 and 473,457,865,191.39

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Solution

The fourth proportional to 1,380,032,773,771.30, 2,070,091,332,341 and 473,457,865,191.39 is: 710,201,265,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,032,773,771.30 : 2,070,091,332,341 = 473,457,865,191.39 : x
  2. Step 2: Convert to fraction form
    1,380,032,773,771.30/2,070,091,332,341 = 473,457,865,191.39/x
  3. Step 3: Cross multiply
    1,380,032,773,771.30x = 2,070,091,332,341 × 473,457,865,191.39
  4. Step 4: Simplify right side
    1,380,032,773,771.30x = 980,101,022,961,370,178,519,040
  5. Step 5: Solve for x
    x = 980,101,022,961,370,178,519,040/1,380,032,773,771.30
  6. Step 6: Final answer
    x = 710,201,265,932.97

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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.