Finding the Fourth Proportional to 2,495,186,156.70, 3,742,779,235.05 and 655,124,838.30
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Solution
The fourth proportional to 2,495,186,156.70, 3,742,779,235.05 and 655,124,838.30 is: 982,687,257.45
Step by Step Solution
- Step 1: Write the proportion equation
2,495,186,156.70 : 3,742,779,235.05 = 655,124,838.30 : x - Step 2: Convert to fraction form
2,495,186,156.70/3,742,779,235.05 = 655,124,838.30/x - Step 3: Cross multiply
2,495,186,156.70x = 3,742,779,235.05 × 655,124,838.30 - Step 4: Simplify right side
2,495,186,156.70x = 2,451,987,641,154,728,960 - Step 5: Solve for x
x = 2,451,987,641,154,728,960/2,495,186,156.70 - Step 6: Final answer
x = 982,687,257.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.