Finding the Fourth Proportional to 3,009,331,320.90, 4,513,996,981.35 and 1,830,807,759.30
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Solution
The fourth proportional to 3,009,331,320.90, 4,513,996,981.35 and 1,830,807,759.30 is: 2,746,211,638.95
Step by Step Solution
- Step 1: Write the proportion equation
3,009,331,320.90 : 4,513,996,981.35 = 1,830,807,759.30 : x - Step 2: Convert to fraction form
3,009,331,320.90/4,513,996,981.35 = 1,830,807,759.30/x - Step 3: Cross multiply
3,009,331,320.90x = 4,513,996,981.35 × 1,830,807,759.30 - Step 4: Simplify right side
3,009,331,320.90x = 8,264,260,698,912,357,376 - Step 5: Solve for x
x = 8,264,260,698,912,357,376/3,009,331,320.90 - Step 6: Final answer
x = 2,746,211,638.95
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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.