Home / 915,559,621.28-1,263,505,502.40-524,494,628

Finding the Fourth Proportional to 915,559,621.28, 1,263,505,502.40 and 524,494,628

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Solution

The fourth proportional to 915,559,621.28, 1,263,505,502.40 and 524,494,628 is: 723,821,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,559,621.28 : 1,263,505,502.40 = 524,494,628 : x
  2. Step 2: Convert to fraction form
    915,559,621.28/1,263,505,502.40 = 524,494,628/x
  3. Step 3: Cross multiply
    915,559,621.28x = 1,263,505,502.40 × 524,494,628
  4. Step 4: Simplify right side
    915,559,621.28x = 662,701,848,457,241,216
  5. Step 5: Solve for x
    x = 662,701,848,457,241,216/915,559,621.28
  6. Step 6: Final answer
    x = 723,821,620.19

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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.