Finding the Fourth Proportional to 1,371,775,859.72, 1,893,063,988.26 and 745,248,779.90
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Solution
The fourth proportional to 1,371,775,859.72, 1,893,063,988.26 and 745,248,779.90 is: 1,028,450,542.80
Step by Step Solution
- Step 1: Write the proportion equation
1,371,775,859.72 : 1,893,063,988.26 = 745,248,779.90 : x - Step 2: Convert to fraction form
1,371,775,859.72/1,893,063,988.26 = 745,248,779.90/x - Step 3: Cross multiply
1,371,775,859.72x = 1,893,063,988.26 × 745,248,779.90 - Step 4: Simplify right side
1,371,775,859.72x = 1,410,803,627,523,392,768 - Step 5: Solve for x
x = 1,410,803,627,523,392,768/1,371,775,859.72 - Step 6: Final answer
x = 1,028,450,542.80
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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.