Home / 399,097,842.96-546,754,904.72-384,176,505.12

Finding the Fourth Proportional to 399,097,842.96, 546,754,904.72 and 384,176,505.12

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Solution

The fourth proportional to 399,097,842.96, 546,754,904.72 and 384,176,505.12 is: 526,313,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,097,842.96 : 546,754,904.72 = 384,176,505.12 : x
  2. Step 2: Convert to fraction form
    399,097,842.96/546,754,904.72 = 384,176,505.12/x
  3. Step 3: Cross multiply
    399,097,842.96x = 546,754,904.72 × 384,176,505.12
  4. Step 4: Simplify right side
    399,097,842.96x = 210,050,388,452,548,192
  5. Step 5: Solve for x
    x = 210,050,388,452,548,192/399,097,842.96
  6. Step 6: Final answer
    x = 526,313,013.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.