Finding the Fourth Proportional to 968,935,573.40, 1,453,403,360.10 and 708,742,059.80
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Solution
The fourth proportional to 968,935,573.40, 1,453,403,360.10 and 708,742,059.80 is: 1,063,113,089.70
Step by Step Solution
- Step 1: Write the proportion equation
968,935,573.40 : 1,453,403,360.10 = 708,742,059.80 : x - Step 2: Convert to fraction form
968,935,573.40/1,453,403,360.10 = 708,742,059.80/x - Step 3: Cross multiply
968,935,573.40x = 1,453,403,360.10 × 708,742,059.80 - Step 4: Simplify right side
968,935,573.40x = 1,030,088,091,157,515,008 - Step 5: Solve for x
x = 1,030,088,091,157,515,008/968,935,573.40 - Step 6: Final answer
x = 1,063,113,089.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.