Finding the Fourth Proportional to 1,609,177,541.80, 2,413,766,312.70 and 792,884,165.80
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Solution
The fourth proportional to 1,609,177,541.80, 2,413,766,312.70 and 792,884,165.80 is: 1,189,326,248.70
Step by Step Solution
- Step 1: Write the proportion equation
1,609,177,541.80 : 2,413,766,312.70 = 792,884,165.80 : x - Step 2: Convert to fraction form
1,609,177,541.80/2,413,766,312.70 = 792,884,165.80/x - Step 3: Cross multiply
1,609,177,541.80x = 2,413,766,312.70 × 792,884,165.80 - Step 4: Simplify right side
1,609,177,541.80x = 1,913,837,089,281,281,280 - Step 5: Solve for x
x = 1,913,837,089,281,281,280/1,609,177,541.80 - Step 6: Final answer
x = 1,189,326,248.70
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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.