Finding the Fourth Proportional to 1,184,016,374.80, 1,633,566,967.36 and 688,883,423.92
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Solution
The fourth proportional to 1,184,016,374.80, 1,633,566,967.36 and 688,883,423.92 is: 950,440,576.35
Step by Step Solution
- Step 1: Write the proportion equation
1,184,016,374.80 : 1,633,566,967.36 = 688,883,423.92 : x - Step 2: Convert to fraction form
1,184,016,374.80/1,633,566,967.36 = 688,883,423.92/x - Step 3: Cross multiply
1,184,016,374.80x = 1,633,566,967.36 × 688,883,423.92 - Step 4: Simplify right side
1,184,016,374.80x = 1,125,337,205,677,567,488 - Step 5: Solve for x
x = 1,125,337,205,677,567,488/1,184,016,374.80 - Step 6: Final answer
x = 950,440,576.35
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1.5x scale
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.