Home / 1,409,716,135.44-1,945,294,378.74-815,038,943.04

Finding the Fourth Proportional to 1,409,716,135.44, 1,945,294,378.74 and 815,038,943.04

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Solution

The fourth proportional to 1,409,716,135.44, 1,945,294,378.74 and 815,038,943.04 is: 1,124,687,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,716,135.44 : 1,945,294,378.74 = 815,038,943.04 : x
  2. Step 2: Convert to fraction form
    1,409,716,135.44/1,945,294,378.74 = 815,038,943.04/x
  3. Step 3: Cross multiply
    1,409,716,135.44x = 1,945,294,378.74 × 815,038,943.04
  4. Step 4: Simplify right side
    1,409,716,135.44x = 1,585,490,674,349,903,104
  5. Step 5: Solve for x
    x = 1,585,490,674,349,903,104/1,409,716,135.44
  6. Step 6: Final answer
    x = 1,124,687,896.02

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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.