Home / 438,101,715.40-604,556,415.44-239,824,852.72

Finding the Fourth Proportional to 438,101,715.40, 604,556,415.44 and 239,824,852.72

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Solution

The fourth proportional to 438,101,715.40, 604,556,415.44 and 239,824,852.72 is: 330,945,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,101,715.40 : 604,556,415.44 = 239,824,852.72 : x
  2. Step 2: Convert to fraction form
    438,101,715.40/604,556,415.44 = 239,824,852.72/x
  3. Step 3: Cross multiply
    438,101,715.40x = 604,556,415.44 × 239,824,852.72
  4. Step 4: Simplify right side
    438,101,715.40x = 144,987,653,293,829,152
  5. Step 5: Solve for x
    x = 144,987,653,293,829,152/438,101,715.40
  6. Step 6: Final answer
    x = 330,945,185.10

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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.