Finding the Fourth Proportional to 518,126,854.93, 777,539,979.30 and 202,953,790.31
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Solution
The fourth proportional to 518,126,854.93, 777,539,979.30 and 202,953,790.31 is: 304,567,664.11
Step by Step Solution
- Step 1: Write the proportion equation
518,126,854.93 : 777,539,979.30 = 202,953,790.31 : x - Step 2: Convert to fraction form
518,126,854.93/777,539,979.30 = 202,953,790.31/x - Step 3: Cross multiply
518,126,854.93x = 777,539,979.30 × 202,953,790.31 - Step 4: Simplify right side
518,126,854.93x = 157,804,685,916,493,920 - Step 5: Solve for x
x = 157,804,685,916,493,920/518,126,854.93 - Step 6: Final answer
x = 304,567,664.11
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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.