Finding the Fourth Proportional to 2,406,723,707.48, 3,320,971,885.80 and 1,402,890,116.96
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Solution
The fourth proportional to 2,406,723,707.48, 3,320,971,885.80 and 1,402,890,116.96 is: 1,935,809,508.51
Step by Step Solution
- Step 1: Write the proportion equation
2,406,723,707.48 : 3,320,971,885.80 = 1,402,890,116.96 : x - Step 2: Convert to fraction form
2,406,723,707.48/3,320,971,885.80 = 1,402,890,116.96/x - Step 3: Cross multiply
2,406,723,707.48x = 3,320,971,885.80 × 1,402,890,116.96 - Step 4: Simplify right side
2,406,723,707.48x = 4,658,958,637,290,833,920 - Step 5: Solve for x
x = 4,658,958,637,290,833,920/2,406,723,707.48 - Step 6: Final answer
x = 1,935,809,508.51
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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.