Home / 538,892,098.76-743,666,764.64-312,852,056.56

Finding the Fourth Proportional to 538,892,098.76, 743,666,764.64 and 312,852,056.56

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Solution

The fourth proportional to 538,892,098.76, 743,666,764.64 and 312,852,056.56 is: 431,733,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,892,098.76 : 743,666,764.64 = 312,852,056.56 : x
  2. Step 2: Convert to fraction form
    538,892,098.76/743,666,764.64 = 312,852,056.56/x
  3. Step 3: Cross multiply
    538,892,098.76x = 743,666,764.64 × 312,852,056.56
  4. Step 4: Simplify right side
    538,892,098.76x = 232,657,676,709,522,048
  5. Step 5: Solve for x
    x = 232,657,676,709,522,048/538,892,098.76
  6. Step 6: Final answer
    x = 431,733,323.32

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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.