Finding the Fourth Proportional to 47,881,365,035,840, 66,081,208,634,248 and 29,132,291,152,784
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Solution
The fourth proportional to 47,881,365,035,840, 66,081,208,634,248 and 29,132,291,152,784 is: 40,205,558,221,237.20
Step by Step Solution
- Step 1: Write the proportion equation
47,881,365,035,840 : 66,081,208,634,248 = 29,132,291,152,784 : x - Step 2: Convert to fraction form
47,881,365,035,840/66,081,208,634,248 = 29,132,291,152,784/x - Step 3: Cross multiply
47,881,365,035,840x = 66,081,208,634,248 × 29,132,291,152,784 - Step 4: Simplify right side
47,881,365,035,840x = 1,925,097,009,660,776,638,771,625,984 - Step 5: Solve for x
x = 1,925,097,009,660,776,638,771,625,984/47,881,365,035,840 - Step 6: Final answer
x = 40,205,558,221,237.20
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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.