Home / 708,588,745.20-1,062,883,117.80-697,109,619.60

Finding the Fourth Proportional to 708,588,745.20, 1,062,883,117.80 and 697,109,619.60

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Solution

The fourth proportional to 708,588,745.20, 1,062,883,117.80 and 697,109,619.60 is: 1,045,664,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,745.20 : 1,062,883,117.80 = 697,109,619.60 : x
  2. Step 2: Convert to fraction form
    708,588,745.20/1,062,883,117.80 = 697,109,619.60/x
  3. Step 3: Cross multiply
    708,588,745.20x = 1,062,883,117.80 × 697,109,619.60
  4. Step 4: Simplify right side
    708,588,745.20x = 740,946,045,928,819,968
  5. Step 5: Solve for x
    x = 740,946,045,928,819,968/708,588,745.20
  6. Step 6: Final answer
    x = 1,045,664,429.40

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1.5x scale

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.