Finding the Fourth Proportional to 98,703,946,684.19, 136,211,446,424.18 and 56,460,764,476.19
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Solution
The fourth proportional to 98,703,946,684.19, 136,211,446,424.18 and 56,460,764,476.19 is: 77,915,854,977.14
Step by Step Solution
- Step 1: Write the proportion equation
98,703,946,684.19 : 136,211,446,424.18 = 56,460,764,476.19 : x - Step 2: Convert to fraction form
98,703,946,684.19/136,211,446,424.18 = 56,460,764,476.19/x - Step 3: Cross multiply
98,703,946,684.19x = 136,211,446,424.18 × 56,460,764,476.19 - Step 4: Simplify right side
98,703,946,684.19x = 7,690,602,395,516,799,025,152 - Step 5: Solve for x
x = 7,690,602,395,516,799,025,152/98,703,946,684.19 - Step 6: Final answer
x = 77,915,854,977.14
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Double scale
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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.