Finding the Fourth Proportional to 7,807,636,402.94, 10,774,538,236.05 and 4,466,134,685.31
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Solution
The fourth proportional to 7,807,636,402.94, 10,774,538,236.05 and 4,466,134,685.31 is: 6,163,265,865.73
Step by Step Solution
- Step 1: Write the proportion equation
7,807,636,402.94 : 10,774,538,236.05 = 4,466,134,685.31 : x - Step 2: Convert to fraction form
7,807,636,402.94/10,774,538,236.05 = 4,466,134,685.31/x - Step 3: Cross multiply
7,807,636,402.94x = 10,774,538,236.05 × 4,466,134,685.31 - Step 4: Simplify right side
7,807,636,402.94x = 48,120,538,934,221,733,888 - Step 5: Solve for x
x = 48,120,538,934,221,733,888/7,807,636,402.94 - Step 6: Final answer
x = 6,163,265,865.73
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1.5x scale
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.