Finding the Fourth Proportional to 740,315,263.92, 1,103,854,286.96 and 719,975,688.45
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Solution
The fourth proportional to 740,315,263.92, 1,103,854,286.96 and 719,975,688.45 is: 1,073,526,764.79
Step by Step Solution
- Step 1: Write the proportion equation
740,315,263.92 : 1,103,854,286.96 = 719,975,688.45 : x - Step 2: Convert to fraction form
740,315,263.92/1,103,854,286.96 = 719,975,688.45/x - Step 3: Cross multiply
740,315,263.92x = 1,103,854,286.96 × 719,975,688.45 - Step 4: Simplify right side
740,315,263.92x = 794,748,250,198,909,952 - Step 5: Solve for x
x = 794,748,250,198,909,952/740,315,263.92 - Step 6: Final answer
x = 1,073,526,764.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.