Finding the Fourth Proportional to 2,091,251,000.14, 2,885,997,209.24 and 1,138,668,681.67
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Solution
The fourth proportional to 2,091,251,000.14, 2,885,997,209.24 and 1,138,668,681.67 is: 1,571,401,346.53
Step by Step Solution
- Step 1: Write the proportion equation
2,091,251,000.14 : 2,885,997,209.24 = 1,138,668,681.67 : x - Step 2: Convert to fraction form
2,091,251,000.14/2,885,997,209.24 = 1,138,668,681.67/x - Step 3: Cross multiply
2,091,251,000.14x = 2,885,997,209.24 × 1,138,668,681.67 - Step 4: Simplify right side
2,091,251,000.14x = 3,286,194,637,548,610,048 - Step 5: Solve for x
x = 3,286,194,637,548,610,048/2,091,251,000.14 - Step 6: Final answer
x = 1,571,401,346.53
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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.