Finding the Fourth Proportional to 541,977,437.44, 747,928,863.58 and 307,028,097.91
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Solution
The fourth proportional to 541,977,437.44, 747,928,863.58 and 307,028,097.91 is: 423,698,775.07
Step by Step Solution
- Step 1: Write the proportion equation
541,977,437.44 : 747,928,863.58 = 307,028,097.91 : x - Step 2: Convert to fraction form
541,977,437.44/747,928,863.58 = 307,028,097.91/x - Step 3: Cross multiply
541,977,437.44x = 747,928,863.58 × 307,028,097.91 - Step 4: Simplify right side
541,977,437.44x = 229,635,176,356,955,296 - Step 5: Solve for x
x = 229,635,176,356,955,296/541,977,437.44 - Step 6: Final answer
x = 423,698,775.07
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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.