Finding the Fourth Proportional to 343,722,931,218.80, 474,316,272,652.60 and 189,389,974,102.17
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Solution
The fourth proportional to 343,722,931,218.80, 474,316,272,652.60 and 189,389,974,102.17 is: 261,346,388,137.05
Step by Step Solution
- Step 1: Write the proportion equation
343,722,931,218.80 : 474,316,272,652.60 = 189,389,974,102.17 : x - Step 2: Convert to fraction form
343,722,931,218.80/474,316,272,652.60 = 189,389,974,102.17/x - Step 3: Cross multiply
343,722,931,218.80x = 474,316,272,652.60 × 189,389,974,102.17 - Step 4: Simplify right side
343,722,931,218.80x = 89,830,746,593,913,726,828,544 - Step 5: Solve for x
x = 89,830,746,593,913,726,828,544/343,722,931,218.80 - Step 6: Final answer
x = 261,346,388,137.05
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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.