Finding the Fourth Proportional to 630,090,795.62, 869,539,217.12 and 347,832,567.88
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Solution
The fourth proportional to 630,090,795.62, 869,539,217.12 and 347,832,567.88 is: 480,016,627.55
Step by Step Solution
- Step 1: Write the proportion equation
630,090,795.62 : 869,539,217.12 = 347,832,567.88 : x - Step 2: Convert to fraction form
630,090,795.62/869,539,217.12 = 347,832,567.88/x - Step 3: Cross multiply
630,090,795.62x = 869,539,217.12 × 347,832,567.88 - Step 4: Simplify right side
630,090,795.62x = 302,454,058,763,214,464 - Step 5: Solve for x
x = 302,454,058,763,214,464/630,090,795.62 - Step 6: Final answer
x = 480,016,627.55
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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.