Home / 519,303,525.63-777,718,753.13-300,492,732.21

Finding the Fourth Proportional to 519,303,525.63, 777,718,753.13 and 300,492,732.21

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Solution

The fourth proportional to 519,303,525.63, 777,718,753.13 and 300,492,732.21 is: 450,023,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,303,525.63 : 777,718,753.13 = 300,492,732.21 : x
  2. Step 2: Convert to fraction form
    519,303,525.63/777,718,753.13 = 300,492,732.21/x
  3. Step 3: Cross multiply
    519,303,525.63x = 777,718,753.13 × 300,492,732.21
  4. Step 4: Simplify right side
    519,303,525.63x = 233,698,833,017,485,696
  5. Step 5: Solve for x
    x = 233,698,833,017,485,696/519,303,525.63
  6. Step 6: Final answer
    x = 450,023,582.52

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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.