Finding the Fourth Proportional to 673,736,106.80, 1,010,604,160.20 and 575,100,657.20
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Solution
The fourth proportional to 673,736,106.80, 1,010,604,160.20 and 575,100,657.20 is: 862,650,985.80
Step by Step Solution
- Step 1: Write the proportion equation
673,736,106.80 : 1,010,604,160.20 = 575,100,657.20 : x - Step 2: Convert to fraction form
673,736,106.80/1,010,604,160.20 = 575,100,657.20/x - Step 3: Cross multiply
673,736,106.80x = 1,010,604,160.20 × 575,100,657.20 - Step 4: Simplify right side
673,736,106.80x = 581,199,116,700,074,112 - Step 5: Solve for x
x = 581,199,116,700,074,112/673,736,106.80 - Step 6: Final answer
x = 862,650,985.80
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Double scale
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Similar ratio
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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.