Finding the Fourth Proportional to 13,836,475,973.94, 19,094,355,257.71 and 7,492,854,747.09
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Solution
The fourth proportional to 13,836,475,973.94, 19,094,355,257.71 and 7,492,854,747.09 is: 10,340,149,522.53
Step by Step Solution
- Step 1: Write the proportion equation
13,836,475,973.94 : 19,094,355,257.71 = 7,492,854,747.09 : x - Step 2: Convert to fraction form
13,836,475,973.94/19,094,355,257.71 = 7,492,854,747.09/x - Step 3: Cross multiply
13,836,475,973.94x = 19,094,355,257.71 × 7,492,854,747.09 - Step 4: Simplify right side
13,836,475,973.94x = 143,071,230,435,420,323,840 - Step 5: Solve for x
x = 143,071,230,435,420,323,840/13,836,475,973.94 - Step 6: Final answer
x = 10,340,149,522.53
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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.