Finding the Fourth Proportional to 1,133,937,775.58, 1,564,840,818.63 and 657,911,585.70
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Solution
The fourth proportional to 1,133,937,775.58, 1,564,840,818.63 and 657,911,585.70 is: 907,921,868.84
Step by Step Solution
- Step 1: Write the proportion equation
1,133,937,775.58 : 1,564,840,818.63 = 657,911,585.70 : x - Step 2: Convert to fraction form
1,133,937,775.58/1,564,840,818.63 = 657,911,585.70/x - Step 3: Cross multiply
1,133,937,775.58x = 1,564,840,818.63 × 657,911,585.70 - Step 4: Simplify right side
1,133,937,775.58x = 1,029,526,904,352,949,504 - Step 5: Solve for x
x = 1,029,526,904,352,949,504/1,133,937,775.58 - Step 6: Final answer
x = 907,921,868.84
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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.