Finding the Fourth Proportional to 1,778,126,024.38, 2,666,155,175.44 and 672,816,266.08
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Solution
The fourth proportional to 1,778,126,024.38, 2,666,155,175.44 and 672,816,266.08 is: 1,008,833,201.55
Step by Step Solution
- Step 1: Write the proportion equation
1,778,126,024.38 : 2,666,155,175.44 = 672,816,266.08 : x - Step 2: Convert to fraction form
1,778,126,024.38/2,666,155,175.44 = 672,816,266.08/x - Step 3: Cross multiply
1,778,126,024.38x = 2,666,155,175.44 × 672,816,266.08 - Step 4: Simplify right side
1,778,126,024.38x = 1,793,832,569,927,726,080 - Step 5: Solve for x
x = 1,793,832,569,927,726,080/1,778,126,024.38 - Step 6: Final answer
x = 1,008,833,201.55
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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.