Finding the Fourth Proportional to 7,092,438,258, 10,641,344,312.64 and 4,258,211,775.04
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Solution
The fourth proportional to 7,092,438,258, 10,641,344,312.64 and 4,258,211,775.04 is: 6,388,930,859.32
Step by Step Solution
- Step 1: Write the proportion equation
7,092,438,258 : 10,641,344,312.64 = 4,258,211,775.04 : x - Step 2: Convert to fraction form
7,092,438,258/10,641,344,312.64 = 4,258,211,775.04/x - Step 3: Cross multiply
7,092,438,258x = 10,641,344,312.64 × 4,258,211,775.04 - Step 4: Simplify right side
7,092,438,258x = 45,313,097,654,338,576,384 - Step 5: Solve for x
x = 45,313,097,654,338,576,384/7,092,438,258 - Step 6: Final answer
x = 6,388,930,859.32
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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.