Finding the Fourth Proportional to 851,038,623.36, 1,174,382,686.35 and 493,778,723.58
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Solution
The fourth proportional to 851,038,623.36, 1,174,382,686.35 and 493,778,723.58 is: 681,385,272.00
Step by Step Solution
- Step 1: Write the proportion equation
851,038,623.36 : 1,174,382,686.35 = 493,778,723.58 : x - Step 2: Convert to fraction form
851,038,623.36/1,174,382,686.35 = 493,778,723.58/x - Step 3: Cross multiply
851,038,623.36x = 1,174,382,686.35 × 493,778,723.58 - Step 4: Simplify right side
851,038,623.36x = 579,885,183,860,354,432 - Step 5: Solve for x
x = 579,885,183,860,354,432/851,038,623.36 - Step 6: Final answer
x = 681,385,272.00
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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.