Home / 623,689,992,133.40-933,923,783,219.95-430,449,336,023.70

Finding the Fourth Proportional to 623,689,992,133.40, 933,923,783,219.95 and 430,449,336,023.70

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Solution

The fourth proportional to 623,689,992,133.40, 933,923,783,219.95 and 430,449,336,023.70 is: 644,562,005,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,689,992,133.40 : 933,923,783,219.95 = 430,449,336,023.70 : x
  2. Step 2: Convert to fraction form
    623,689,992,133.40/933,923,783,219.95 = 430,449,336,023.70/x
  3. Step 3: Cross multiply
    623,689,992,133.40x = 933,923,783,219.95 × 430,449,336,023.70
  4. Step 4: Simplify right side
    623,689,992,133.40x = 402,006,872,383,769,425,215,488
  5. Step 5: Solve for x
    x = 402,006,872,383,769,425,215,488/623,689,992,133.40
  6. Step 6: Final answer
    x = 644,562,005,891.20

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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.