Home / 869,185,319.60-1,303,777,979.40-593,686,305.20

Finding the Fourth Proportional to 869,185,319.60, 1,303,777,979.40 and 593,686,305.20

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Solution

The fourth proportional to 869,185,319.60, 1,303,777,979.40 and 593,686,305.20 is: 890,529,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,185,319.60 : 1,303,777,979.40 = 593,686,305.20 : x
  2. Step 2: Convert to fraction form
    869,185,319.60/1,303,777,979.40 = 593,686,305.20/x
  3. Step 3: Cross multiply
    869,185,319.60x = 1,303,777,979.40 × 593,686,305.20
  4. Step 4: Simplify right side
    869,185,319.60x = 774,035,131,391,107,840
  5. Step 5: Solve for x
    x = 774,035,131,391,107,840/869,185,319.60
  6. Step 6: Final answer
    x = 890,529,457.80

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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.