Finding the Fourth Proportional to 7,564,705,417.80, 11,347,058,126.70 and 2,657,379,223.80
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Solution
The fourth proportional to 7,564,705,417.80, 11,347,058,126.70 and 2,657,379,223.80 is: 3,986,068,835.70
Step by Step Solution
- Step 1: Write the proportion equation
7,564,705,417.80 : 11,347,058,126.70 = 2,657,379,223.80 : x - Step 2: Convert to fraction form
7,564,705,417.80/11,347,058,126.70 = 2,657,379,223.80/x - Step 3: Cross multiply
7,564,705,417.80x = 11,347,058,126.70 × 2,657,379,223.80 - Step 4: Simplify right side
7,564,705,417.80x = 30,153,436,517,143,531,520 - Step 5: Solve for x
x = 30,153,436,517,143,531,520/7,564,705,417.80 - Step 6: Final answer
x = 3,986,068,835.70
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.