Finding the Fourth Proportional to 2,972,257,364.80, 4,458,386,047.20 and 901,975,805.20
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Solution
The fourth proportional to 2,972,257,364.80, 4,458,386,047.20 and 901,975,805.20 is: 1,352,963,707.80
Step by Step Solution
- Step 1: Write the proportion equation
2,972,257,364.80 : 4,458,386,047.20 = 901,975,805.20 : x - Step 2: Convert to fraction form
2,972,257,364.80/4,458,386,047.20 = 901,975,805.20/x - Step 3: Cross multiply
2,972,257,364.80x = 4,458,386,047.20 × 901,975,805.20 - Step 4: Simplify right side
2,972,257,364.80x = 4,021,356,344,815,665,152 - Step 5: Solve for x
x = 4,021,356,344,815,665,152/2,972,257,364.80 - Step 6: Final answer
x = 1,352,963,707.80
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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.