Finding the Fourth Proportional to 1,403,328,248.79, 2,104,986,635.96 and 354,068,911.41
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Solution
The fourth proportional to 1,403,328,248.79, 2,104,986,635.96 and 354,068,911.41 is: 531,101,919.57
Step by Step Solution
- Step 1: Write the proportion equation
1,403,328,248.79 : 2,104,986,635.96 = 354,068,911.41 : x - Step 2: Convert to fraction form
1,403,328,248.79/2,104,986,635.96 = 354,068,911.41/x - Step 3: Cross multiply
1,403,328,248.79x = 2,104,986,635.96 × 354,068,911.41 - Step 4: Simplify right side
1,403,328,248.79x = 745,310,326,725,184,896 - Step 5: Solve for x
x = 745,310,326,725,184,896/1,403,328,248.79 - Step 6: Final answer
x = 531,101,919.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.