Home / 429,982,016,187.80-644,973,024,281.70-131,859,582,037.40

Finding the Fourth Proportional to 429,982,016,187.80, 644,973,024,281.70 and 131,859,582,037.40

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Solution

The fourth proportional to 429,982,016,187.80, 644,973,024,281.70 and 131,859,582,037.40 is: 197,789,373,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,982,016,187.80 : 644,973,024,281.70 = 131,859,582,037.40 : x
  2. Step 2: Convert to fraction form
    429,982,016,187.80/644,973,024,281.70 = 131,859,582,037.40/x
  3. Step 3: Cross multiply
    429,982,016,187.80x = 644,973,024,281.70 × 131,859,582,037.40
  4. Step 4: Simplify right side
    429,982,016,187.80x = 85,045,873,407,182,787,051,520
  5. Step 5: Solve for x
    x = 85,045,873,407,182,787,051,520/429,982,016,187.80
  6. Step 6: Final answer
    x = 197,789,373,056.10

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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.