Finding the Fourth Proportional to 2,223,387,510.12, 3,334,944,811.42 and 913,255,574.68
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Solution
The fourth proportional to 2,223,387,510.12, 3,334,944,811.42 and 913,255,574.68 is: 1,369,827,313.69
Step by Step Solution
- Step 1: Write the proportion equation
2,223,387,510.12 : 3,334,944,811.42 = 913,255,574.68 : x - Step 2: Convert to fraction form
2,223,387,510.12/3,334,944,811.42 = 913,255,574.68/x - Step 3: Cross multiply
2,223,387,510.12x = 3,334,944,811.42 × 913,255,574.68 - Step 4: Simplify right side
2,223,387,510.12x = 3,045,656,940,279,697,920 - Step 5: Solve for x
x = 3,045,656,940,279,697,920/2,223,387,510.12 - Step 6: Final answer
x = 1,369,827,313.69
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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.