Home / 715,671,889.20-1,073,507,833.80-404,460,039.60

Finding the Fourth Proportional to 715,671,889.20, 1,073,507,833.80 and 404,460,039.60

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Solution

The fourth proportional to 715,671,889.20, 1,073,507,833.80 and 404,460,039.60 is: 606,690,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,671,889.20 : 1,073,507,833.80 = 404,460,039.60 : x
  2. Step 2: Convert to fraction form
    715,671,889.20/1,073,507,833.80 = 404,460,039.60/x
  3. Step 3: Cross multiply
    715,671,889.20x = 1,073,507,833.80 × 404,460,039.60
  4. Step 4: Simplify right side
    715,671,889.20x = 434,191,020,969,658,240
  5. Step 5: Solve for x
    x = 434,191,020,969,658,240/715,671,889.20
  6. Step 6: Final answer
    x = 606,690,059.40

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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.