Finding the Fourth Proportional to 3,603,312,129.30, 5,404,968,193.95 and 2,218,636,698.90
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Solution
The fourth proportional to 3,603,312,129.30, 5,404,968,193.95 and 2,218,636,698.90 is: 3,327,955,048.35
Step by Step Solution
- Step 1: Write the proportion equation
3,603,312,129.30 : 5,404,968,193.95 = 2,218,636,698.90 : x - Step 2: Convert to fraction form
3,603,312,129.30/5,404,968,193.95 = 2,218,636,698.90/x - Step 3: Cross multiply
3,603,312,129.30x = 5,404,968,193.95 × 2,218,636,698.90 - Step 4: Simplify right side
3,603,312,129.30x = 11,991,660,791,484,723,200 - Step 5: Solve for x
x = 11,991,660,791,484,723,200/3,603,312,129.30 - Step 6: Final answer
x = 3,327,955,048.35
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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.