Home / 389,143,434,285.92-583,803,170,028.66-210,065,577,582.44

Finding the Fourth Proportional to 389,143,434,285.92, 583,803,170,028.66 and 210,065,577,582.44

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Solution

The fourth proportional to 389,143,434,285.92, 583,803,170,028.66 and 210,065,577,582.44 is: 315,145,880,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,143,434,285.92 : 583,803,170,028.66 = 210,065,577,582.44 : x
  2. Step 2: Convert to fraction form
    389,143,434,285.92/583,803,170,028.66 = 210,065,577,582.44/x
  3. Step 3: Cross multiply
    389,143,434,285.92x = 583,803,170,028.66 × 210,065,577,582.44
  4. Step 4: Simplify right side
    389,143,434,285.92x = 122,636,950,106,529,897,381,888
  5. Step 5: Solve for x
    x = 122,636,950,106,529,897,381,888/389,143,434,285.92
  6. Step 6: Final answer
    x = 315,145,880,160.02

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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.