Home / 1,393,775,003.34-1,923,433,965.54-758,713,753.80

Finding the Fourth Proportional to 1,393,775,003.34, 1,923,433,965.54 and 758,713,753.80

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Solution

The fourth proportional to 1,393,775,003.34, 1,923,433,965.54 and 758,713,753.80 is: 1,047,038,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,775,003.34 : 1,923,433,965.54 = 758,713,753.80 : x
  2. Step 2: Convert to fraction form
    1,393,775,003.34/1,923,433,965.54 = 758,713,753.80/x
  3. Step 3: Cross multiply
    1,393,775,003.34x = 1,923,433,965.54 × 758,713,753.80
  4. Step 4: Simplify right side
    1,393,775,003.34x = 1,459,335,804,181,273,088
  5. Step 5: Solve for x
    x = 1,459,335,804,181,273,088/1,393,775,003.34
  6. Step 6: Final answer
    x = 1,047,038,295.77

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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.