Finding the Fourth Proportional to 876,549,094,631.80, 1,209,637,724,380.60 and 485,914,668,535.53
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Solution
The fourth proportional to 876,549,094,631.80, 1,209,637,724,380.60 and 485,914,668,535.53 is: 670,562,228,048.82
Step by Step Solution
- Step 1: Write the proportion equation
876,549,094,631.80 : 1,209,637,724,380.60 = 485,914,668,535.53 : x - Step 2: Convert to fraction form
876,549,094,631.80/1,209,637,724,380.60 = 485,914,668,535.53/x - Step 3: Cross multiply
876,549,094,631.80x = 1,209,637,724,380.60 × 485,914,668,535.53 - Step 4: Simplify right side
876,549,094,631.80x = 587,780,713,890,472,106,393,600 - Step 5: Solve for x
x = 587,780,713,890,472,106,393,600/876,549,094,631.80 - Step 6: Final answer
x = 670,562,228,048.82
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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.