Home / 393,141,445.46-589,713,007.44-159,807,476.71

Finding the Fourth Proportional to 393,141,445.46, 589,713,007.44 and 159,807,476.71

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Solution

The fourth proportional to 393,141,445.46, 589,713,007.44 and 159,807,476.71 is: 239,711,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,141,445.46 : 589,713,007.44 = 159,807,476.71 : x
  2. Step 2: Convert to fraction form
    393,141,445.46/589,713,007.44 = 159,807,476.71/x
  3. Step 3: Cross multiply
    393,141,445.46x = 589,713,007.44 × 159,807,476.71
  4. Step 4: Simplify right side
    393,141,445.46x = 94,240,547,699,103,312
  5. Step 5: Solve for x
    x = 94,240,547,699,103,312/393,141,445.46
  6. Step 6: Final answer
    x = 239,711,556.21

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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.