Finding the Fourth Proportional to 557,230,036.08, 768,931,741.61 and 328,048,433.98
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Solution
The fourth proportional to 557,230,036.08, 768,931,741.61 and 328,048,433.98 is: 452,679,929.90
Step by Step Solution
- Step 1: Write the proportion equation
557,230,036.08 : 768,931,741.61 = 328,048,433.98 : x - Step 2: Convert to fraction form
557,230,036.08/768,931,741.61 = 328,048,433.98/x - Step 3: Cross multiply
557,230,036.08x = 768,931,741.61 × 328,048,433.98 - Step 4: Simplify right side
557,230,036.08x = 252,246,853,672,674,528 - Step 5: Solve for x
x = 252,246,853,672,674,528/557,230,036.08 - Step 6: Final answer
x = 452,679,929.90
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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.