Finding the Fourth Proportional to 1,056,252,430.17, 1,457,555,207.67 and 586,316,737.35
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Solution
The fourth proportional to 1,056,252,430.17, 1,457,555,207.67 and 586,316,737.35 is: 809,076,494.84
Step by Step Solution
- Step 1: Write the proportion equation
1,056,252,430.17 : 1,457,555,207.67 = 586,316,737.35 : x - Step 2: Convert to fraction form
1,056,252,430.17/1,457,555,207.67 = 586,316,737.35/x - Step 3: Cross multiply
1,056,252,430.17x = 1,457,555,207.67 × 586,316,737.35 - Step 4: Simplify right side
1,056,252,430.17x = 854,589,013,868,576,128 - Step 5: Solve for x
x = 854,589,013,868,576,128/1,056,252,430.17 - Step 6: Final answer
x = 809,076,494.84
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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.