Finding the Fourth Proportional to 608,315,232.40, 912,472,848.60 and 572,483,424.40
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Solution
The fourth proportional to 608,315,232.40, 912,472,848.60 and 572,483,424.40 is: 858,725,136.60
Step by Step Solution
- Step 1: Write the proportion equation
608,315,232.40 : 912,472,848.60 = 572,483,424.40 : x - Step 2: Convert to fraction form
608,315,232.40/912,472,848.60 = 572,483,424.40/x - Step 3: Cross multiply
608,315,232.40x = 912,472,848.60 × 572,483,424.40 - Step 4: Simplify right side
608,315,232.40x = 522,375,581,038,550,720 - Step 5: Solve for x
x = 522,375,581,038,550,720/608,315,232.40 - Step 6: Final answer
x = 858,725,136.60
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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.