Finding the Fourth Proportional to 1,301,583,272.76, 1,796,178,782.70 and 706,863,595.32
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Solution
The fourth proportional to 1,301,583,272.76, 1,796,178,782.70 and 706,863,595.32 is: 975,468,430.45
Step by Step Solution
- Step 1: Write the proportion equation
1,301,583,272.76 : 1,796,178,782.70 = 706,863,595.32 : x - Step 2: Convert to fraction form
1,301,583,272.76/1,796,178,782.70 = 706,863,595.32/x - Step 3: Cross multiply
1,301,583,272.76x = 1,796,178,782.70 × 706,863,595.32 - Step 4: Simplify right side
1,301,583,272.76x = 1,269,653,392,176,823,040 - Step 5: Solve for x
x = 1,269,653,392,176,823,040/1,301,583,272.76 - Step 6: Final answer
x = 975,468,430.45
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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.