Finding the Fourth Proportional to 742,148,077.08, 1,112,253,711.99 and 414,610,359.96
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Solution
The fourth proportional to 742,148,077.08, 1,112,253,711.99 and 414,610,359.96 is: 621,374,529.07
Step by Step Solution
- Step 1: Write the proportion equation
742,148,077.08 : 1,112,253,711.99 = 414,610,359.96 : x - Step 2: Convert to fraction form
742,148,077.08/1,112,253,711.99 = 414,610,359.96/x - Step 3: Cross multiply
742,148,077.08x = 1,112,253,711.99 × 414,610,359.96 - Step 4: Simplify right side
742,148,077.08x = 461,151,911,895,020,032 - Step 5: Solve for x
x = 461,151,911,895,020,032/742,148,077.08 - Step 6: Final answer
x = 621,374,529.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.