Finding the Fourth Proportional to 709,779,338.76, 984,506,560.95 and 690,902,554.44
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Solution
The fourth proportional to 709,779,338.76, 984,506,560.95 and 690,902,554.44 is: 958,323,327.66
Step by Step Solution
- Step 1: Write the proportion equation
709,779,338.76 : 984,506,560.95 = 690,902,554.44 : x - Step 2: Convert to fraction form
709,779,338.76/984,506,560.95 = 690,902,554.44/x - Step 3: Cross multiply
709,779,338.76x = 984,506,560.95 × 690,902,554.44 - Step 4: Simplify right side
709,779,338.76x = 680,198,097,823,294,592 - Step 5: Solve for x
x = 680,198,097,823,294,592/709,779,338.76 - Step 6: Final answer
x = 958,323,327.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.