Finding the Fourth Proportional to 1,613,586,888.60, 2,226,727,271.40 and 899,152,553.88
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Solution
The fourth proportional to 1,613,586,888.60, 2,226,727,271.40 and 899,152,553.88 is: 1,240,817,911.34
Step by Step Solution
- Step 1: Write the proportion equation
1,613,586,888.60 : 2,226,727,271.40 = 899,152,553.88 : x - Step 2: Convert to fraction form
1,613,586,888.60/2,226,727,271.40 = 899,152,553.88/x - Step 3: Cross multiply
1,613,586,888.60x = 2,226,727,271.40 × 899,152,553.88 - Step 4: Simplify right side
1,613,586,888.60x = 2,002,167,512,873,553,920 - Step 5: Solve for x
x = 2,002,167,512,873,553,920/1,613,586,888.60 - Step 6: Final answer
x = 1,240,817,911.34
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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.