Home / 668,234,348,327.64-1,002,423,253,469.80-285,818,140,043.02

Finding the Fourth Proportional to 668,234,348,327.64, 1,002,423,253,469.80 and 285,818,140,043.02

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Solution

The fourth proportional to 668,234,348,327.64, 1,002,423,253,469.80 and 285,818,140,043.02 is: 428,757,890,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,234,348,327.64 : 1,002,423,253,469.80 = 285,818,140,043.02 : x
  2. Step 2: Convert to fraction form
    668,234,348,327.64/1,002,423,253,469.80 = 285,818,140,043.02/x
  3. Step 3: Cross multiply
    668,234,348,327.64x = 1,002,423,253,469.80 × 285,818,140,043.02
  4. Step 4: Simplify right side
    668,234,348,327.64x = 286,510,749,842,611,065,847,808
  5. Step 5: Solve for x
    x = 286,510,749,842,611,065,847,808/668,234,348,327.64
  6. Step 6: Final answer
    x = 428,757,890,939.98

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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.