Finding the Fourth Proportional to 9,241,282,870.68, 13,784,227,029.95 and 8,392,908,258.79
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Solution
The fourth proportional to 9,241,282,870.68, 13,784,227,029.95 and 8,392,908,258.79 is: 12,518,797,930.94
Step by Step Solution
- Step 1: Write the proportion equation
9,241,282,870.68 : 13,784,227,029.95 = 8,392,908,258.79 : x - Step 2: Convert to fraction form
9,241,282,870.68/13,784,227,029.95 = 8,392,908,258.79/x - Step 3: Cross multiply
9,241,282,870.68x = 13,784,227,029.95 × 8,392,908,258.79 - Step 4: Simplify right side
9,241,282,870.68x = 115,689,752,880,709,992,448 - Step 5: Solve for x
x = 115,689,752,880,709,992,448/9,241,282,870.68 - Step 6: Final answer
x = 12,518,797,930.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.