Finding the Fourth Proportional to 1,484,608,897.80, 2,226,913,346.70 and 515,260,513.80
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Solution
The fourth proportional to 1,484,608,897.80, 2,226,913,346.70 and 515,260,513.80 is: 772,890,770.70
Step by Step Solution
- Step 1: Write the proportion equation
1,484,608,897.80 : 2,226,913,346.70 = 515,260,513.80 : x - Step 2: Convert to fraction form
1,484,608,897.80/2,226,913,346.70 = 515,260,513.80/x - Step 3: Cross multiply
1,484,608,897.80x = 2,226,913,346.70 × 515,260,513.80 - Step 4: Simplify right side
1,484,608,897.80x = 1,147,440,515,208,719,488 - Step 5: Solve for x
x = 1,147,440,515,208,719,488/1,484,608,897.80 - Step 6: Final answer
x = 772,890,770.70
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1.5x scale
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.