Home / 756,193,076.80-1,134,289,615.20-710,276,574.40

Finding the Fourth Proportional to 756,193,076.80, 1,134,289,615.20 and 710,276,574.40

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Solution

The fourth proportional to 756,193,076.80, 1,134,289,615.20 and 710,276,574.40 is: 1,065,414,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,193,076.80 : 1,134,289,615.20 = 710,276,574.40 : x
  2. Step 2: Convert to fraction form
    756,193,076.80/1,134,289,615.20 = 710,276,574.40/x
  3. Step 3: Cross multiply
    756,193,076.80x = 1,134,289,615.20 × 710,276,574.40
  4. Step 4: Simplify right side
    756,193,076.80x = 805,659,342,261,750,144
  5. Step 5: Solve for x
    x = 805,659,342,261,750,144/756,193,076.80
  6. Step 6: Final answer
    x = 1,065,414,861.60

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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.