Home / 630,849,868.80-946,274,803.20-447,183,859.20

Finding the Fourth Proportional to 630,849,868.80, 946,274,803.20 and 447,183,859.20

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Solution

The fourth proportional to 630,849,868.80, 946,274,803.20 and 447,183,859.20 is: 670,775,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,849,868.80 : 946,274,803.20 = 447,183,859.20 : x
  2. Step 2: Convert to fraction form
    630,849,868.80/946,274,803.20 = 447,183,859.20/x
  3. Step 3: Cross multiply
    630,849,868.80x = 946,274,803.20 × 447,183,859.20
  4. Step 4: Simplify right side
    630,849,868.80x = 423,158,818,358,696,512
  5. Step 5: Solve for x
    x = 423,158,818,358,696,512/630,849,868.80
  6. Step 6: Final answer
    x = 670,775,788.80

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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.