Home / 459,199,738.76-688,799,659.98-186,570,690.44

Finding the Fourth Proportional to 459,199,738.76, 688,799,659.98 and 186,570,690.44

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Solution

The fourth proportional to 459,199,738.76, 688,799,659.98 and 186,570,690.44 is: 279,856,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,199,738.76 : 688,799,659.98 = 186,570,690.44 : x
  2. Step 2: Convert to fraction form
    459,199,738.76/688,799,659.98 = 186,570,690.44/x
  3. Step 3: Cross multiply
    459,199,738.76x = 688,799,659.98 × 186,570,690.44
  4. Step 4: Simplify right side
    459,199,738.76x = 128,509,828,137,305,840
  5. Step 5: Solve for x
    x = 128,509,828,137,305,840/459,199,738.76
  6. Step 6: Final answer
    x = 279,856,056.72

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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.