Finding the Fourth Proportional to 2,239,349,487.84, 3,090,303,623.52 and 1,249,274,905.92
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Solution
The fourth proportional to 2,239,349,487.84, 3,090,303,623.52 and 1,249,274,905.92 is: 1,724,000,112.31
Step by Step Solution
- Step 1: Write the proportion equation
2,239,349,487.84 : 3,090,303,623.52 = 1,249,274,905.92 : x - Step 2: Convert to fraction form
2,239,349,487.84/3,090,303,623.52 = 1,249,274,905.92/x - Step 3: Cross multiply
2,239,349,487.84x = 3,090,303,623.52 × 1,249,274,905.92 - Step 4: Simplify right side
2,239,349,487.84x = 3,860,638,768,537,183,232 - Step 5: Solve for x
x = 3,860,638,768,537,183,232/2,239,349,487.84 - Step 6: Final answer
x = 1,724,000,112.31
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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.