Home / 1,365,475,217.12-2,047,383,418-535,434,458.76

Finding the Fourth Proportional to 1,365,475,217.12, 2,047,383,418 and 535,434,458.76

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Solution

The fourth proportional to 1,365,475,217.12, 2,047,383,418 and 535,434,458.76 is: 802,826,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,475,217.12 : 2,047,383,418 = 535,434,458.76 : x
  2. Step 2: Convert to fraction form
    1,365,475,217.12/2,047,383,418 = 535,434,458.76/x
  3. Step 3: Cross multiply
    1,365,475,217.12x = 2,047,383,418 × 535,434,458.76
  4. Step 4: Simplify right side
    1,365,475,217.12x = 1,096,239,632,291,028,864
  5. Step 5: Solve for x
    x = 1,096,239,632,291,028,864/1,365,475,217.12
  6. Step 6: Final answer
    x = 802,826,458.18

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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.