Home / 430,839,762.30-646,259,643.45-119,946,777.30

Finding the Fourth Proportional to 430,839,762.30, 646,259,643.45 and 119,946,777.30

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Solution

The fourth proportional to 430,839,762.30, 646,259,643.45 and 119,946,777.30 is: 179,920,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,839,762.30 : 646,259,643.45 = 119,946,777.30 : x
  2. Step 2: Convert to fraction form
    430,839,762.30/646,259,643.45 = 119,946,777.30/x
  3. Step 3: Cross multiply
    430,839,762.30x = 646,259,643.45 × 119,946,777.30
  4. Step 4: Simplify right side
    430,839,762.30x = 77,516,761,530,874,560
  5. Step 5: Solve for x
    x = 77,516,761,530,874,560/430,839,762.30
  6. Step 6: Final answer
    x = 179,920,165.95

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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.