Finding the Fourth Proportional to 7,911,216,384.03, 10,917,077,681.99 and 4,696,263,796.19
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Solution
The fourth proportional to 7,911,216,384.03, 10,917,077,681.99 and 4,696,263,796.19 is: 6,480,606,039.49
Step by Step Solution
- Step 1: Write the proportion equation
7,911,216,384.03 : 10,917,077,681.99 = 4,696,263,796.19 : x - Step 2: Convert to fraction form
7,911,216,384.03/10,917,077,681.99 = 4,696,263,796.19/x - Step 3: Cross multiply
7,911,216,384.03x = 10,917,077,681.99 × 4,696,263,796.19 - Step 4: Simplify right side
7,911,216,384.03x = 51,269,476,678,082,994,176 - Step 5: Solve for x
x = 51,269,476,678,082,994,176/7,911,216,384.03 - Step 6: Final answer
x = 6,480,606,039.49
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1.5x scale
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.