Finding the Fourth Proportional to 2,925,031,659.20, 4,387,880,426.88 and 1,060,555,400.18
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Solution
The fourth proportional to 2,925,031,659.20, 4,387,880,426.88 and 1,060,555,400.18 is: 1,590,953,816.67
Step by Step Solution
- Step 1: Write the proportion equation
2,925,031,659.20 : 4,387,880,426.88 = 1,060,555,400.18 : x - Step 2: Convert to fraction form
2,925,031,659.20/4,387,880,426.88 = 1,060,555,400.18/x - Step 3: Cross multiply
2,925,031,659.20x = 4,387,880,426.88 × 1,060,555,400.18 - Step 4: Simplify right side
2,925,031,659.20x = 4,653,590,282,071,707,648 - Step 5: Solve for x
x = 4,653,590,282,071,707,648/2,925,031,659.20 - Step 6: Final answer
x = 1,590,953,816.67
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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.