Home / 708,590,975.20-1,062,886,462.80-325,638,527.20

Finding the Fourth Proportional to 708,590,975.20, 1,062,886,462.80 and 325,638,527.20

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Solution

The fourth proportional to 708,590,975.20, 1,062,886,462.80 and 325,638,527.20 is: 488,457,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,975.20 : 1,062,886,462.80 = 325,638,527.20 : x
  2. Step 2: Convert to fraction form
    708,590,975.20/1,062,886,462.80 = 325,638,527.20/x
  3. Step 3: Cross multiply
    708,590,975.20x = 1,062,886,462.80 × 325,638,527.20
  4. Step 4: Simplify right side
    708,590,975.20x = 346,116,782,327,009,536
  5. Step 5: Solve for x
    x = 346,116,782,327,009,536/708,590,975.20
  6. Step 6: Final answer
    x = 488,457,790.80

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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.