Home / 1,393,775,016.09-1,923,433,983.14-758,713,766.55

Finding the Fourth Proportional to 1,393,775,016.09, 1,923,433,983.14 and 758,713,766.55

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Solution

The fourth proportional to 1,393,775,016.09, 1,923,433,983.14 and 758,713,766.55 is: 1,047,038,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,775,016.09 : 1,923,433,983.14 = 758,713,766.55 : x
  2. Step 2: Convert to fraction form
    1,393,775,016.09/1,923,433,983.14 = 758,713,766.55/x
  3. Step 3: Cross multiply
    1,393,775,016.09x = 1,923,433,983.14 × 758,713,766.55
  4. Step 4: Simplify right side
    1,393,775,016.09x = 1,459,335,842,054,625,024
  5. Step 5: Solve for x
    x = 1,459,335,842,054,625,024/1,393,775,016.09
  6. Step 6: Final answer
    x = 1,047,038,313.36

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Double scale
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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.