Finding the Fourth Proportional to 2,107,610,813.97, 2,908,506,342.21 and 1,154,840,151.06
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Solution
The fourth proportional to 2,107,610,813.97, 2,908,506,342.21 and 1,154,840,151.06 is: 1,593,681,281.83
Step by Step Solution
- Step 1: Write the proportion equation
2,107,610,813.97 : 2,908,506,342.21 = 1,154,840,151.06 : x - Step 2: Convert to fraction form
2,107,610,813.97/2,908,506,342.21 = 1,154,840,151.06/x - Step 3: Cross multiply
2,107,610,813.97x = 2,908,506,342.21 × 1,154,840,151.06 - Step 4: Simplify right side
2,107,610,813.97x = 3,358,859,903,596,764,160 - Step 5: Solve for x
x = 3,358,859,903,596,764,160/2,107,610,813.97 - Step 6: Final answer
x = 1,593,681,281.83
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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.