Finding the Fourth Proportional to 1,613,573,909.39, 2,226,673,206.51 and 899,072,545.70
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Solution
The fourth proportional to 1,613,573,909.39, 2,226,673,206.51 and 899,072,545.70 is: 1,240,687,356.54
Step by Step Solution
- Step 1: Write the proportion equation
1,613,573,909.39 : 2,226,673,206.51 = 899,072,545.70 : x - Step 2: Convert to fraction form
1,613,573,909.39/2,226,673,206.51 = 899,072,545.70/x - Step 3: Cross multiply
1,613,573,909.39x = 2,226,673,206.51 × 899,072,545.70 - Step 4: Simplify right side
1,613,573,909.39x = 2,001,940,748,221,167,616 - Step 5: Solve for x
x = 2,001,940,748,221,167,616/1,613,573,909.39 - Step 6: Final answer
x = 1,240,687,356.54
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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.