Finding the Fourth Proportional to 832,881,637.68, 1,148,706,473.28 and 732,194,791.44
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Solution
The fourth proportional to 832,881,637.68, 1,148,706,473.28 and 732,194,791.44 is: 1,009,839,644.17
Step by Step Solution
- Step 1: Write the proportion equation
832,881,637.68 : 1,148,706,473.28 = 732,194,791.44 : x - Step 2: Convert to fraction form
832,881,637.68/1,148,706,473.28 = 732,194,791.44/x - Step 3: Cross multiply
832,881,637.68x = 1,148,706,473.28 × 732,194,791.44 - Step 4: Simplify right side
832,881,637.68x = 841,076,896,629,027,584 - Step 5: Solve for x
x = 841,076,896,629,027,584/832,881,637.68 - Step 6: Final answer
x = 1,009,839,644.17
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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.