Finding the Fourth Proportional to 2,569,612,343.32, 3,547,226,953.99 and 1,618,391,038.18
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Solution
The fourth proportional to 2,569,612,343.32, 3,547,226,953.99 and 1,618,391,038.18 is: 2,234,111,432.27
Step by Step Solution
- Step 1: Write the proportion equation
2,569,612,343.32 : 3,547,226,953.99 = 1,618,391,038.18 : x - Step 2: Convert to fraction form
2,569,612,343.32/3,547,226,953.99 = 1,618,391,038.18/x - Step 3: Cross multiply
2,569,612,343.32x = 3,547,226,953.99 × 1,618,391,038.18 - Step 4: Simplify right side
2,569,612,343.32x = 5,740,800,312,710,218,752 - Step 5: Solve for x
x = 5,740,800,312,710,218,752/2,569,612,343.32 - Step 6: Final answer
x = 2,234,111,432.27
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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.