Finding the Fourth Proportional to 2,912,258,967.60, 4,368,388,451.40 and 1,880,302,897.20
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Solution
The fourth proportional to 2,912,258,967.60, 4,368,388,451.40 and 1,880,302,897.20 is: 2,820,454,345.80
Step by Step Solution
- Step 1: Write the proportion equation
2,912,258,967.60 : 4,368,388,451.40 = 1,880,302,897.20 : x - Step 2: Convert to fraction form
2,912,258,967.60/4,368,388,451.40 = 1,880,302,897.20/x - Step 3: Cross multiply
2,912,258,967.60x = 4,368,388,451.40 × 1,880,302,897.20 - Step 4: Simplify right side
2,912,258,967.60x = 8,213,893,461,262,440,448 - Step 5: Solve for x
x = 8,213,893,461,262,440,448/2,912,258,967.60 - Step 6: Final answer
x = 2,820,454,345.80
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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.