Finding the Fourth Proportional to 7,607,335,264.24, 10,498,135,014.70 and 4,220,244,641.55
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Solution
The fourth proportional to 7,607,335,264.24, 10,498,135,014.70 and 4,220,244,641.55 is: 5,823,944,456.65
Step by Step Solution
- Step 1: Write the proportion equation
7,607,335,264.24 : 10,498,135,014.70 = 4,220,244,641.55 : x - Step 2: Convert to fraction form
7,607,335,264.24/10,498,135,014.70 = 4,220,244,641.55/x - Step 3: Cross multiply
7,607,335,264.24x = 10,498,135,014.70 × 4,220,244,641.55 - Step 4: Simplify right side
7,607,335,264.24x = 44,304,698,042,016,104,448 - Step 5: Solve for x
x = 44,304,698,042,016,104,448/7,607,335,264.24 - Step 6: Final answer
x = 5,823,944,456.65
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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.