Finding the Fourth Proportional to 649,914,190.24, 975,032,637.36 and 322,543,346.08
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Solution
The fourth proportional to 649,914,190.24, 975,032,637.36 and 322,543,346.08 is: 483,895,095.87
Step by Step Solution
- Step 1: Write the proportion equation
649,914,190.24 : 975,032,637.36 = 322,543,346.08 : x - Step 2: Convert to fraction form
649,914,190.24/975,032,637.36 = 322,543,346.08/x - Step 3: Cross multiply
649,914,190.24x = 975,032,637.36 × 322,543,346.08 - Step 4: Simplify right side
649,914,190.24x = 314,490,289,391,301,632 - Step 5: Solve for x
x = 314,490,289,391,301,632/649,914,190.24 - Step 6: Final answer
x = 483,895,095.87
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.