Finding the Fourth Proportional to 683,513,766.66, 943,253,526.96 and 370,247,980.62
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Solution
The fourth proportional to 683,513,766.66, 943,253,526.96 and 370,247,980.62 is: 510,944,666.52
Step by Step Solution
- Step 1: Write the proportion equation
683,513,766.66 : 943,253,526.96 = 370,247,980.62 : x - Step 2: Convert to fraction form
683,513,766.66/943,253,526.96 = 370,247,980.62/x - Step 3: Cross multiply
683,513,766.66x = 943,253,526.96 × 370,247,980.62 - Step 4: Simplify right side
683,513,766.66x = 349,237,713,569,632,768 - Step 5: Solve for x
x = 349,237,713,569,632,768/683,513,766.66 - Step 6: Final answer
x = 510,944,666.52
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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.