Finding the Fourth Proportional to 1,091,860,850.64, 1,506,767,862.60 and 596,825,536.08
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Solution
The fourth proportional to 1,091,860,850.64, 1,506,767,862.60 and 596,825,536.08 is: 823,619,178.96
Step by Step Solution
- Step 1: Write the proportion equation
1,091,860,850.64 : 1,506,767,862.60 = 596,825,536.08 : x - Step 2: Convert to fraction form
1,091,860,850.64/1,506,767,862.60 = 596,825,536.08/x - Step 3: Cross multiply
1,091,860,850.64x = 1,506,767,862.60 × 596,825,536.08 - Step 4: Simplify right side
1,091,860,850.64x = 899,277,537,344,360,832 - Step 5: Solve for x
x = 899,277,537,344,360,832/1,091,860,850.64 - Step 6: Final answer
x = 823,619,178.96
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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.