Finding the Fourth Proportional to 2,426,177,777.60, 3,639,266,666.40 and 973,197,963.20
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Solution
The fourth proportional to 2,426,177,777.60, 3,639,266,666.40 and 973,197,963.20 is: 1,459,796,944.80
Step by Step Solution
- Step 1: Write the proportion equation
2,426,177,777.60 : 3,639,266,666.40 = 973,197,963.20 : x - Step 2: Convert to fraction form
2,426,177,777.60/3,639,266,666.40 = 973,197,963.20/x - Step 3: Cross multiply
2,426,177,777.60x = 3,639,266,666.40 × 973,197,963.20 - Step 4: Simplify right side
2,426,177,777.60x = 3,541,726,907,282,134,016 - Step 5: Solve for x
x = 3,541,726,907,282,134,016/2,426,177,777.60 - Step 6: Final answer
x = 1,459,796,944.80
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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.