Finding the Fourth Proportional to 692,253,435.84, 955,309,956.66 and 379,007,545.02
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Solution
The fourth proportional to 692,253,435.84, 955,309,956.66 and 379,007,545.02 is: 523,030,529.95
Step by Step Solution
- Step 1: Write the proportion equation
692,253,435.84 : 955,309,956.66 = 379,007,545.02 : x - Step 2: Convert to fraction form
692,253,435.84/955,309,956.66 = 379,007,545.02/x - Step 3: Cross multiply
692,253,435.84x = 955,309,956.66 × 379,007,545.02 - Step 4: Simplify right side
692,253,435.84x = 362,069,681,406,869,184 - Step 5: Solve for x
x = 362,069,681,406,869,184/692,253,435.84 - Step 6: Final answer
x = 523,030,529.95
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1.5x scale
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.