Finding the Fourth Proportional to 1,688,893,453.47, 2,330,691,924.54 and 964,777,277.99
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Solution
The fourth proportional to 1,688,893,453.47, 2,330,691,924.54 and 964,777,277.99 is: 1,331,403,473.77
Step by Step Solution
- Step 1: Write the proportion equation
1,688,893,453.47 : 2,330,691,924.54 = 964,777,277.99 : x - Step 2: Convert to fraction form
1,688,893,453.47/2,330,691,924.54 = 964,777,277.99/x - Step 3: Cross multiply
1,688,893,453.47x = 2,330,691,924.54 × 964,777,277.99 - Step 4: Simplify right side
1,688,893,453.47x = 2,248,598,610,779,322,112 - Step 5: Solve for x
x = 2,248,598,610,779,322,112/1,688,893,453.47 - Step 6: Final answer
x = 1,331,403,473.77
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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.