Home / 886,464,048.40-1,329,696,072.60-523,666,992.40

Finding the Fourth Proportional to 886,464,048.40, 1,329,696,072.60 and 523,666,992.40

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Solution

The fourth proportional to 886,464,048.40, 1,329,696,072.60 and 523,666,992.40 is: 785,500,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,464,048.40 : 1,329,696,072.60 = 523,666,992.40 : x
  2. Step 2: Convert to fraction form
    886,464,048.40/1,329,696,072.60 = 523,666,992.40/x
  3. Step 3: Cross multiply
    886,464,048.40x = 1,329,696,072.60 × 523,666,992.40
  4. Step 4: Simplify right side
    886,464,048.40x = 696,317,943,144,534,016
  5. Step 5: Solve for x
    x = 696,317,943,144,534,016/886,464,048.40
  6. Step 6: Final answer
    x = 785,500,488.60

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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.