Finding the Fourth Proportional to 2,938,038,412.13, 4,054,386,498.59 and 1,795,515,958.08
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Solution
The fourth proportional to 2,938,038,412.13, 4,054,386,498.59 and 1,795,515,958.08 is: 2,477,746,930.87
Step by Step Solution
- Step 1: Write the proportion equation
2,938,038,412.13 : 4,054,386,498.59 = 1,795,515,958.08 : x - Step 2: Convert to fraction form
2,938,038,412.13/4,054,386,498.59 = 1,795,515,958.08/x - Step 3: Cross multiply
2,938,038,412.13x = 4,054,386,498.59 × 1,795,515,958.08 - Step 4: Simplify right side
2,938,038,412.13x = 7,279,715,658,437,053,440 - Step 5: Solve for x
x = 7,279,715,658,437,053,440/2,938,038,412.13 - Step 6: Final answer
x = 2,477,746,930.87
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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.