Home / 869,185,285.60-1,303,777,928.40-593,686,271.20

Finding the Fourth Proportional to 869,185,285.60, 1,303,777,928.40 and 593,686,271.20

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Solution

The fourth proportional to 869,185,285.60, 1,303,777,928.40 and 593,686,271.20 is: 890,529,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,185,285.60 : 1,303,777,928.40 = 593,686,271.20 : x
  2. Step 2: Convert to fraction form
    869,185,285.60/1,303,777,928.40 = 593,686,271.20/x
  3. Step 3: Cross multiply
    869,185,285.60x = 1,303,777,928.40 × 593,686,271.20
  4. Step 4: Simplify right side
    869,185,285.60x = 774,035,056,784,656,640
  5. Step 5: Solve for x
    x = 774,035,056,784,656,640/869,185,285.60
  6. Step 6: Final answer
    x = 890,529,406.80

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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.