Finding the Fourth Proportional to 15,684,292,972.80, 22,013,109,964.80 and 15,684,292,972.80
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Solution
The fourth proportional to 15,684,292,972.80, 22,013,109,964.80 and 15,684,292,972.80 is: 22,013,109,964.80
Step by Step Solution
- Step 1: Write the proportion equation
15,684,292,972.80 : 22,013,109,964.80 = 15,684,292,972.80 : x - Step 2: Convert to fraction form
15,684,292,972.80/22,013,109,964.80 = 15,684,292,972.80/x - Step 3: Cross multiply
15,684,292,972.80x = 22,013,109,964.80 × 15,684,292,972.80 - Step 4: Simplify right side
15,684,292,972.80x = 345,260,065,930,386,276,352 - Step 5: Solve for x
x = 345,260,065,930,386,276,352/15,684,292,972.80 - Step 6: Final answer
x = 22,013,109,964.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.