Finding the Fourth Proportional to 1,699,979,360,567.80, 2,345,971,344,318.80 and 929,231,130,279.58
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Solution
The fourth proportional to 1,699,979,360,567.80, 2,345,971,344,318.80 and 929,231,130,279.58 is: 1,282,338,865,077.02
Step by Step Solution
- Step 1: Write the proportion equation
1,699,979,360,567.80 : 2,345,971,344,318.80 = 929,231,130,279.58 : x - Step 2: Convert to fraction form
1,699,979,360,567.80/2,345,971,344,318.80 = 929,231,130,279.58/x - Step 3: Cross multiply
1,699,979,360,567.80x = 2,345,971,344,318.80 × 929,231,130,279.58 - Step 4: Simplify right side
1,699,979,360,567.80x = 2,179,949,603,884,863,907,168,256 - Step 5: Solve for x
x = 2,179,949,603,884,863,907,168,256/1,699,979,360,567.80 - Step 6: Final answer
x = 1,282,338,865,077.02
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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.