Finding the Fourth Proportional to 7,772,331,752.80, 11,658,497,629.20 and 6,377,617,992.40
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Solution
The fourth proportional to 7,772,331,752.80, 11,658,497,629.20 and 6,377,617,992.40 is: 9,566,426,988.60
Step by Step Solution
- Step 1: Write the proportion equation
7,772,331,752.80 : 11,658,497,629.20 = 6,377,617,992.40 : x - Step 2: Convert to fraction form
7,772,331,752.80/11,658,497,629.20 = 6,377,617,992.40/x - Step 3: Cross multiply
7,772,331,752.80x = 11,658,497,629.20 × 6,377,617,992.40 - Step 4: Simplify right side
7,772,331,752.80x = 74,353,444,244,338,671,616 - Step 5: Solve for x
x = 74,353,444,244,338,671,616/7,772,331,752.80 - Step 6: Final answer
x = 9,566,426,988.60
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Similar ratio
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1.5x scale
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.