Finding the Fourth Proportional to 6,936,884,914.72, 9,572,908,267.12 and 3,765,069,485.12
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Solution
The fourth proportional to 6,936,884,914.72, 9,572,908,267.12 and 3,765,069,485.12 is: 5,195,799,734.82
Step by Step Solution
- Step 1: Write the proportion equation
6,936,884,914.72 : 9,572,908,267.12 = 3,765,069,485.12 : x - Step 2: Convert to fraction form
6,936,884,914.72/9,572,908,267.12 = 3,765,069,485.12/x - Step 3: Cross multiply
6,936,884,914.72x = 9,572,908,267.12 × 3,765,069,485.12 - Step 4: Simplify right side
6,936,884,914.72x = 36,042,664,800,386,490,368 - Step 5: Solve for x
x = 36,042,664,800,386,490,368/6,936,884,914.72 - Step 6: Final answer
x = 5,195,799,734.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.