Finding the Fourth Proportional to 1,972,418,962.68, 2,721,180,862.26 and 1,125,693,331.56
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Solution
The fourth proportional to 1,972,418,962.68, 2,721,180,862.26 and 1,125,693,331.56 is: 1,553,024,589.89
Step by Step Solution
- Step 1: Write the proportion equation
1,972,418,962.68 : 2,721,180,862.26 = 1,125,693,331.56 : x - Step 2: Convert to fraction form
1,972,418,962.68/2,721,180,862.26 = 1,125,693,331.56/x - Step 3: Cross multiply
1,972,418,962.68x = 2,721,180,862.26 × 1,125,693,331.56 - Step 4: Simplify right side
1,972,418,962.68x = 3,063,215,150,614,772,736 - Step 5: Solve for x
x = 3,063,215,150,614,772,736/1,972,418,962.68 - Step 6: Final answer
x = 1,553,024,589.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.