Finding the Fourth Proportional to 1,034,323,551.76, 1,427,396,836.44 and 564,455,210.08
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Solution
The fourth proportional to 1,034,323,551.76, 1,427,396,836.44 and 564,455,210.08 is: 778,964,744.45
Step by Step Solution
- Step 1: Write the proportion equation
1,034,323,551.76 : 1,427,396,836.44 = 564,455,210.08 : x - Step 2: Convert to fraction form
1,034,323,551.76/1,427,396,836.44 = 564,455,210.08/x - Step 3: Cross multiply
1,034,323,551.76x = 1,427,396,836.44 × 564,455,210.08 - Step 4: Simplify right side
1,034,323,551.76x = 805,701,581,180,267,648 - Step 5: Solve for x
x = 805,701,581,180,267,648/1,034,323,551.76 - Step 6: Final answer
x = 778,964,744.45
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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.