Finding the Fourth Proportional to 1,348,704,408.80, 2,023,056,613.20 and 864,975,000.80
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Solution
The fourth proportional to 1,348,704,408.80, 2,023,056,613.20 and 864,975,000.80 is: 1,297,462,501.20
Step by Step Solution
- Step 1: Write the proportion equation
1,348,704,408.80 : 2,023,056,613.20 = 864,975,000.80 : x - Step 2: Convert to fraction form
1,348,704,408.80/2,023,056,613.20 = 864,975,000.80/x - Step 3: Cross multiply
1,348,704,408.80x = 2,023,056,613.20 × 864,975,000.80 - Step 4: Simplify right side
1,348,704,408.80x = 1,749,893,395,621,115,136 - Step 5: Solve for x
x = 1,749,893,395,621,115,136/1,348,704,408.80 - Step 6: Final answer
x = 1,297,462,501.20
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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.