Finding the Fourth Proportional to 1,151,502,701.40, 1,723,852,829.70 and 763,763,347.80
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Solution
The fourth proportional to 1,151,502,701.40, 1,723,852,829.70 and 763,763,347.80 is: 1,143,389,074.75
Step by Step Solution
- Step 1: Write the proportion equation
1,151,502,701.40 : 1,723,852,829.70 = 763,763,347.80 : x - Step 2: Convert to fraction form
1,151,502,701.40/1,723,852,829.70 = 763,763,347.80/x - Step 3: Cross multiply
1,151,502,701.40x = 1,723,852,829.70 × 763,763,347.80 - Step 4: Simplify right side
1,151,502,701.40x = 1,316,615,608,326,175,232 - Step 5: Solve for x
x = 1,316,615,608,326,175,232/1,151,502,701.40 - Step 6: Final answer
x = 1,143,389,074.75
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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.