Finding the Fourth Proportional to 360,354,992.91, 497,258,948.46 and 209,675,526.18
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Solution
The fourth proportional to 360,354,992.91, 497,258,948.46 and 209,675,526.18 is: 289,334,222.41
Step by Step Solution
- Step 1: Write the proportion equation
360,354,992.91 : 497,258,948.46 = 209,675,526.18 : x - Step 2: Convert to fraction form
360,354,992.91/497,258,948.46 = 209,675,526.18/x - Step 3: Cross multiply
360,354,992.91x = 497,258,948.46 × 209,675,526.18 - Step 4: Simplify right side
360,354,992.91x = 104,263,031,666,064,000 - Step 5: Solve for x
x = 104,263,031,666,064,000/360,354,992.91 - Step 6: Final answer
x = 289,334,222.41
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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.