Finding the Fourth Proportional to 1,484,464,765.64, 2,226,682,970.22 and 902,359,730.12
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Solution
The fourth proportional to 1,484,464,765.64, 2,226,682,970.22 and 902,359,730.12 is: 1,353,530,976.67
Step by Step Solution
- Step 1: Write the proportion equation
1,484,464,765.64 : 2,226,682,970.22 = 902,359,730.12 : x - Step 2: Convert to fraction form
1,484,464,765.64/2,226,682,970.22 = 902,359,730.12/x - Step 3: Cross multiply
1,484,464,765.64x = 2,226,682,970.22 × 902,359,730.12 - Step 4: Simplify right side
1,484,464,765.64x = 2,009,269,044,070,519,040 - Step 5: Solve for x
x = 2,009,269,044,070,519,040/1,484,464,765.64 - Step 6: Final answer
x = 1,353,530,976.67
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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.