Finding the Fourth Proportional to 1,486,177,436.90, 2,229,266,155.35 and 451,036,657.10
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Solution
The fourth proportional to 1,486,177,436.90, 2,229,266,155.35 and 451,036,657.10 is: 676,554,985.65
Step by Step Solution
- Step 1: Write the proportion equation
1,486,177,436.90 : 2,229,266,155.35 = 451,036,657.10 : x - Step 2: Convert to fraction form
1,486,177,436.90/2,229,266,155.35 = 451,036,657.10/x - Step 3: Cross multiply
1,486,177,436.90x = 2,229,266,155.35 × 451,036,657.10 - Step 4: Simplify right side
1,486,177,436.90x = 1,005,480,754,495,233,280 - Step 5: Solve for x
x = 1,005,480,754,495,233,280/1,486,177,436.90 - Step 6: Final answer
x = 676,554,985.65
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Double scale
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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.