Finding the Fourth Proportional to 708,590,430.70, 1,062,885,646.05 and 248,575,101.10
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Solution
The fourth proportional to 708,590,430.70, 1,062,885,646.05 and 248,575,101.10 is: 372,862,651.65
Step by Step Solution
- Step 1: Write the proportion equation
708,590,430.70 : 1,062,885,646.05 = 248,575,101.10 : x - Step 2: Convert to fraction form
708,590,430.70/1,062,885,646.05 = 248,575,101.10/x - Step 3: Cross multiply
708,590,430.70x = 1,062,885,646.05 × 248,575,101.10 - Step 4: Simplify right side
708,590,430.70x = 264,206,906,924,617,536 - Step 5: Solve for x
x = 264,206,906,924,617,536/708,590,430.70 - Step 6: Final answer
x = 372,862,651.65
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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.