Finding the Fourth Proportional to 447,857,814.19, 618,046,652.52 and 249,631,878.14
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Solution
The fourth proportional to 447,857,814.19, 618,046,652.52 and 249,631,878.14 is: 344,493,590.95
Step by Step Solution
- Step 1: Write the proportion equation
447,857,814.19 : 618,046,652.52 = 249,631,878.14 : x - Step 2: Convert to fraction form
447,857,814.19/618,046,652.52 = 249,631,878.14/x - Step 3: Cross multiply
447,857,814.19x = 618,046,652.52 × 249,631,878.14 - Step 4: Simplify right side
447,857,814.19x = 154,284,146,646,707,552 - Step 5: Solve for x
x = 154,284,146,646,707,552/447,857,814.19 - Step 6: Final answer
x = 344,493,590.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.