Finding the Fourth Proportional to 7,688,297,442.80, 10,610,641,258.44 and 4,677,763,872.08
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Solution
The fourth proportional to 7,688,297,442.80, 10,610,641,258.44 and 4,677,763,872.08 is: 6,455,795,279.46
Step by Step Solution
- Step 1: Write the proportion equation
7,688,297,442.80 : 10,610,641,258.44 = 4,677,763,872.08 : x - Step 2: Convert to fraction form
7,688,297,442.80/10,610,641,258.44 = 4,677,763,872.08/x - Step 3: Cross multiply
7,688,297,442.80x = 10,610,641,258.44 × 4,677,763,872.08 - Step 4: Simplify right side
7,688,297,442.80x = 49,634,074,338,332,098,560 - Step 5: Solve for x
x = 49,634,074,338,332,098,560/7,688,297,442.80 - Step 6: Final answer
x = 6,455,795,279.46
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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.