Finding the Fourth Proportional to 2,931,216,085.05, 4,396,824,127.58 and 1,553,721,013.05
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Solution
The fourth proportional to 2,931,216,085.05, 4,396,824,127.58 and 1,553,721,013.05 is: 2,330,581,519.58
Step by Step Solution
- Step 1: Write the proportion equation
2,931,216,085.05 : 4,396,824,127.58 = 1,553,721,013.05 : x - Step 2: Convert to fraction form
2,931,216,085.05/4,396,824,127.58 = 1,553,721,013.05/x - Step 3: Cross multiply
2,931,216,085.05x = 4,396,824,127.58 × 1,553,721,013.05 - Step 4: Simplify right side
2,931,216,085.05x = 6,831,438,037,698,510,848 - Step 5: Solve for x
x = 6,831,438,037,698,510,848/2,931,216,085.05 - Step 6: Final answer
x = 2,330,581,519.58
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1.5x scale
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.