Finding the Fourth Proportional to 719,513,316.18, 1,079,669,047.50 and 351,051,296.76
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Solution
The fourth proportional to 719,513,316.18, 1,079,669,047.50 and 351,051,296.76 is: 526,771,653.38
Step by Step Solution
- Step 1: Write the proportion equation
719,513,316.18 : 1,079,669,047.50 = 351,051,296.76 : x - Step 2: Convert to fraction form
719,513,316.18/1,079,669,047.50 = 351,051,296.76/x - Step 3: Cross multiply
719,513,316.18x = 1,079,669,047.50 × 351,051,296.76 - Step 4: Simplify right side
719,513,316.18x = 379,019,219,196,509,056 - Step 5: Solve for x
x = 379,019,219,196,509,056/719,513,316.18 - Step 6: Final answer
x = 526,771,653.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.