Finding the Fourth Proportional to 286,170,918,560.40, 394,915,869,832.83 and 157,712,368,625.46
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Solution
The fourth proportional to 286,170,918,560.40, 394,915,869,832.83 and 157,712,368,625.46 is: 217,643,069,926.32
Step by Step Solution
- Step 1: Write the proportion equation
286,170,918,560.40 : 394,915,869,832.83 = 157,712,368,625.46 : x - Step 2: Convert to fraction form
286,170,918,560.40/394,915,869,832.83 = 157,712,368,625.46/x - Step 3: Cross multiply
286,170,918,560.40x = 394,915,869,832.83 × 157,712,368,625.46 - Step 4: Simplify right side
286,170,918,560.40x = 62,283,117,239,119,460,171,776 - Step 5: Solve for x
x = 62,283,117,239,119,460,171,776/286,170,918,560.40 - Step 6: Final answer
x = 217,643,069,926.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.