Finding the Fourth Proportional to 940,325,695.42, 1,297,572,327.12 and 553,581,741.88
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Solution
The fourth proportional to 940,325,695.42, 1,297,572,327.12 and 553,581,741.88 is: 763,897,394.87
Step by Step Solution
- Step 1: Write the proportion equation
940,325,695.42 : 1,297,572,327.12 = 553,581,741.88 : x - Step 2: Convert to fraction form
940,325,695.42/1,297,572,327.12 = 553,581,741.88/x - Step 3: Cross multiply
940,325,695.42x = 1,297,572,327.12 × 553,581,741.88 - Step 4: Simplify right side
940,325,695.42x = 718,312,349,062,374,656 - Step 5: Solve for x
x = 718,312,349,062,374,656/940,325,695.42 - Step 6: Final answer
x = 763,897,394.87
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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.