Finding the Fourth Proportional to 1,495,487,732.88, 2,063,779,388.85 and 817,318,529.99
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Solution
The fourth proportional to 1,495,487,732.88, 2,063,779,388.85 and 817,318,529.99 is: 1,127,903,024.03
Step by Step Solution
- Step 1: Write the proportion equation
1,495,487,732.88 : 2,063,779,388.85 = 817,318,529.99 : x - Step 2: Convert to fraction form
1,495,487,732.88/2,063,779,388.85 = 817,318,529.99/x - Step 3: Cross multiply
1,495,487,732.88x = 2,063,779,388.85 × 817,318,529.99 - Step 4: Simplify right side
1,495,487,732.88x = 1,686,765,136,308,223,744 - Step 5: Solve for x
x = 1,686,765,136,308,223,744/1,495,487,732.88 - Step 6: Final answer
x = 1,127,903,024.03
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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.