Finding the Fourth Proportional to 1,133,834,005.58, 1,564,690,914.99 and 612,313,237.58
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Solution
The fourth proportional to 1,133,834,005.58, 1,564,690,914.99 and 612,313,237.58 is: 844,992,261.00
Step by Step Solution
- Step 1: Write the proportion equation
1,133,834,005.58 : 1,564,690,914.99 = 612,313,237.58 : x - Step 2: Convert to fraction form
1,133,834,005.58/1,564,690,914.99 = 612,313,237.58/x - Step 3: Cross multiply
1,133,834,005.58x = 1,564,690,914.99 × 612,313,237.58 - Step 4: Simplify right side
1,133,834,005.58x = 958,080,959,969,539,584 - Step 5: Solve for x
x = 958,080,959,969,539,584/1,133,834,005.58 - Step 6: Final answer
x = 844,992,261.00
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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.