Finding the Fourth Proportional to 7,104,963,798.81, 9,804,927,631.55 and 3,933,200,700.09
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Solution
The fourth proportional to 7,104,963,798.81, 9,804,927,631.55 and 3,933,200,700.09 is: 5,427,859,918.33
Step by Step Solution
- Step 1: Write the proportion equation
7,104,963,798.81 : 9,804,927,631.55 = 3,933,200,700.09 : x - Step 2: Convert to fraction form
7,104,963,798.81/9,804,927,631.55 = 3,933,200,700.09/x - Step 3: Cross multiply
7,104,963,798.81x = 9,804,927,631.55 × 3,933,200,700.09 - Step 4: Simplify right side
7,104,963,798.81x = 38,564,748,224,724,582,400 - Step 5: Solve for x
x = 38,564,748,224,724,582,400/7,104,963,798.81 - Step 6: Final answer
x = 5,427,859,918.33
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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.