Home / 438,636,286,643.41-605,095,300,166.79-286,478,180,990.29

Finding the Fourth Proportional to 438,636,286,643.41, 605,095,300,166.79 and 286,478,180,990.29

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Solution

The fourth proportional to 438,636,286,643.41, 605,095,300,166.79 and 286,478,180,990.29 is: 395,194,392,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,636,286,643.41 : 605,095,300,166.79 = 286,478,180,990.29 : x
  2. Step 2: Convert to fraction form
    438,636,286,643.41/605,095,300,166.79 = 286,478,180,990.29/x
  3. Step 3: Cross multiply
    438,636,286,643.41x = 605,095,300,166.79 × 286,478,180,990.29
  4. Step 4: Simplify right side
    438,636,286,643.41x = 173,346,600,917,555,530,956,800
  5. Step 5: Solve for x
    x = 173,346,600,917,555,530,956,800/438,636,286,643.41
  6. Step 6: Final answer
    x = 395,194,392,703.03

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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.