Finding the Fourth Proportional to 1,867,323,802.85, 2,576,909,358.99 and 1,074,353,877.68
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Solution
The fourth proportional to 1,867,323,802.85, 2,576,909,358.99 and 1,074,353,877.68 is: 1,482,609,795.91
Step by Step Solution
- Step 1: Write the proportion equation
1,867,323,802.85 : 2,576,909,358.99 = 1,074,353,877.68 : x - Step 2: Convert to fraction form
1,867,323,802.85/2,576,909,358.99 = 1,074,353,877.68/x - Step 3: Cross multiply
1,867,323,802.85x = 2,576,909,358.99 × 1,074,353,877.68 - Step 4: Simplify right side
1,867,323,802.85x = 2,768,512,562,247,904,768 - Step 5: Solve for x
x = 2,768,512,562,247,904,768/1,867,323,802.85 - Step 6: Final answer
x = 1,482,609,795.91
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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.