Home / 1,189,457,828.96-1,783,574,109.84-533,846,820.56

Finding the Fourth Proportional to 1,189,457,828.96, 1,783,574,109.84 and 533,846,820.56

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Solution

The fourth proportional to 1,189,457,828.96, 1,783,574,109.84 and 533,846,820.56 is: 800,495,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,457,828.96 : 1,783,574,109.84 = 533,846,820.56 : x
  2. Step 2: Convert to fraction form
    1,189,457,828.96/1,783,574,109.84 = 533,846,820.56/x
  3. Step 3: Cross multiply
    1,189,457,828.96x = 1,783,574,109.84 × 533,846,820.56
  4. Step 4: Simplify right side
    1,189,457,828.96x = 952,155,367,771,216,128
  5. Step 5: Solve for x
    x = 952,155,367,771,216,128/1,189,457,828.96
  6. Step 6: Final answer
    x = 800,495,271.53

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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.