Finding the Fourth Proportional to 6,648,431,398.98, 9,174,767,306.12 and 3,678,228,907.62
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Solution
The fourth proportional to 6,648,431,398.98, 9,174,767,306.12 and 3,678,228,907.62 is: 5,075,918,258.14
Step by Step Solution
- Step 1: Write the proportion equation
6,648,431,398.98 : 9,174,767,306.12 = 3,678,228,907.62 : x - Step 2: Convert to fraction form
6,648,431,398.98/9,174,767,306.12 = 3,678,228,907.62/x - Step 3: Cross multiply
6,648,431,398.98x = 9,174,767,306.12 × 3,678,228,907.62 - Step 4: Simplify right side
6,648,431,398.98x = 33,746,894,326,057,459,712 - Step 5: Solve for x
x = 33,746,894,326,057,459,712/6,648,431,398.98 - Step 6: Final answer
x = 5,075,918,258.14
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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.