Home / 386,642,619.30-532,219,222.54-336,996,727.86

Finding the Fourth Proportional to 386,642,619.30, 532,219,222.54 and 336,996,727.86

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Solution

The fourth proportional to 386,642,619.30, 532,219,222.54 and 336,996,727.86 is: 463,880,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,642,619.30 : 532,219,222.54 = 336,996,727.86 : x
  2. Step 2: Convert to fraction form
    386,642,619.30/532,219,222.54 = 336,996,727.86/x
  3. Step 3: Cross multiply
    386,642,619.30x = 532,219,222.54 × 336,996,727.86
  4. Step 4: Simplify right side
    386,642,619.30x = 179,356,136,500,173,184
  5. Step 5: Solve for x
    x = 179,356,136,500,173,184/386,642,619.30
  6. Step 6: Final answer
    x = 463,880,926.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.