Home / 399,096,357.36-546,752,875.92-384,175,019.52

Finding the Fourth Proportional to 399,096,357.36, 546,752,875.92 and 384,175,019.52

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Solution

The fourth proportional to 399,096,357.36, 546,752,875.92 and 384,175,019.52 is: 526,310,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,096,357.36 : 546,752,875.92 = 384,175,019.52 : x
  2. Step 2: Convert to fraction form
    399,096,357.36/546,752,875.92 = 384,175,019.52/x
  3. Step 3: Cross multiply
    399,096,357.36x = 546,752,875.92 × 384,175,019.52
  4. Step 4: Simplify right side
    399,096,357.36x = 210,048,796,779,182,112
  5. Step 5: Solve for x
    x = 210,048,796,779,182,112/399,096,357.36
  6. Step 6: Final answer
    x = 526,310,984.57

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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.