Finding the Fourth Proportional to 1,955,357,265.84, 2,698,310,887.72 and 1,108,641,549.79
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Solution
The fourth proportional to 1,955,357,265.84, 2,698,310,887.72 and 1,108,641,549.79 is: 1,529,878,767.75
Step by Step Solution
- Step 1: Write the proportion equation
1,955,357,265.84 : 2,698,310,887.72 = 1,108,641,549.79 : x - Step 2: Convert to fraction form
1,955,357,265.84/2,698,310,887.72 = 1,108,641,549.79/x - Step 3: Cross multiply
1,955,357,265.84x = 2,698,310,887.72 × 1,108,641,549.79 - Step 4: Simplify right side
1,955,357,265.84x = 2,991,459,564,377,131,008 - Step 5: Solve for x
x = 2,991,459,564,377,131,008/1,955,357,265.84 - Step 6: Final answer
x = 1,529,878,767.75
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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.