Finding the Fourth Proportional to 1,915,544,089.18, 2,644,757,916.87 and 1,239,000,973.84
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Solution
The fourth proportional to 1,915,544,089.18, 2,644,757,916.87 and 1,239,000,973.84 is: 1,710,666,777.70
Step by Step Solution
- Step 1: Write the proportion equation
1,915,544,089.18 : 2,644,757,916.87 = 1,239,000,973.84 : x - Step 2: Convert to fraction form
1,915,544,089.18/2,644,757,916.87 = 1,239,000,973.84/x - Step 3: Cross multiply
1,915,544,089.18x = 2,644,757,916.87 × 1,239,000,973.84 - Step 4: Simplify right side
1,915,544,089.18x = 3,276,857,634,572,979,200 - Step 5: Solve for x
x = 3,276,857,634,572,979,200/1,915,544,089.18 - Step 6: Final answer
x = 1,710,666,777.70
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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.