Finding the Fourth Proportional to 6,997,547,557, 9,656,817,182.58 and 3,868,624,502.92
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Solution
The fourth proportional to 6,997,547,557, 9,656,817,182.58 and 3,868,624,502.92 is: 5,338,813,243.99
Step by Step Solution
- Step 1: Write the proportion equation
6,997,547,557 : 9,656,817,182.58 = 3,868,624,502.92 : x - Step 2: Convert to fraction form
6,997,547,557/9,656,817,182.58 = 3,868,624,502.92/x - Step 3: Cross multiply
6,997,547,557x = 9,656,817,182.58 × 3,868,624,502.92 - Step 4: Simplify right side
6,997,547,557x = 37,358,599,572,747,870,208 - Step 5: Solve for x
x = 37,358,599,572,747,870,208/6,997,547,557 - Step 6: Final answer
x = 5,338,813,243.99
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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.