Finding the Fourth Proportional to 1,566,124,334.70, 2,349,186,502.05 and 953,904,302.70
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Solution
The fourth proportional to 1,566,124,334.70, 2,349,186,502.05 and 953,904,302.70 is: 1,430,856,454.05
Step by Step Solution
- Step 1: Write the proportion equation
1,566,124,334.70 : 2,349,186,502.05 = 953,904,302.70 : x - Step 2: Convert to fraction form
1,566,124,334.70/2,349,186,502.05 = 953,904,302.70/x - Step 3: Cross multiply
1,566,124,334.70x = 2,349,186,502.05 × 953,904,302.70 - Step 4: Simplify right side
1,566,124,334.70x = 2,240,899,112,150,257,664 - Step 5: Solve for x
x = 2,240,899,112,150,257,664/1,566,124,334.70 - Step 6: Final answer
x = 1,430,856,454.05
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Double scale
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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.