Home / 538,892,097.23-743,666,762.52-312,852,055.03

Finding the Fourth Proportional to 538,892,097.23, 743,666,762.52 and 312,852,055.03

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Solution

The fourth proportional to 538,892,097.23, 743,666,762.52 and 312,852,055.03 is: 431,733,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,892,097.23 : 743,666,762.52 = 312,852,055.03 : x
  2. Step 2: Convert to fraction form
    538,892,097.23/743,666,762.52 = 312,852,055.03/x
  3. Step 3: Cross multiply
    538,892,097.23x = 743,666,762.52 × 312,852,055.03
  4. Step 4: Simplify right side
    538,892,097.23x = 232,657,674,911,888,960
  5. Step 5: Solve for x
    x = 232,657,674,911,888,960/538,892,097.23
  6. Step 6: Final answer
    x = 431,733,321.21

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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.