Finding the Fourth Proportional to 1,955,357,264.84, 2,698,310,886.35 and 1,108,641,548.79
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Solution
The fourth proportional to 1,955,357,264.84, 2,698,310,886.35 and 1,108,641,548.79 is: 1,529,878,766.38
Step by Step Solution
- Step 1: Write the proportion equation
1,955,357,264.84 : 2,698,310,886.35 = 1,108,641,548.79 : x - Step 2: Convert to fraction form
1,955,357,264.84/2,698,310,886.35 = 1,108,641,548.79/x - Step 3: Cross multiply
1,955,357,264.84x = 2,698,310,886.35 × 1,108,641,548.79 - Step 4: Simplify right side
1,955,357,264.84x = 2,991,459,560,154,438,144 - Step 5: Solve for x
x = 2,991,459,560,154,438,144/1,955,357,264.84 - Step 6: Final answer
x = 1,529,878,766.38
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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.