Finding the Fourth Proportional to 2,989,968,405.20, 4,484,952,607.80 and 1,436,885,226.80
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Solution
The fourth proportional to 2,989,968,405.20, 4,484,952,607.80 and 1,436,885,226.80 is: 2,155,327,840.20
Step by Step Solution
- Step 1: Write the proportion equation
2,989,968,405.20 : 4,484,952,607.80 = 1,436,885,226.80 : x - Step 2: Convert to fraction form
2,989,968,405.20/4,484,952,607.80 = 1,436,885,226.80/x - Step 3: Cross multiply
2,989,968,405.20x = 4,484,952,607.80 × 1,436,885,226.80 - Step 4: Simplify right side
2,989,968,405.20x = 6,444,362,145,045,954,560 - Step 5: Solve for x
x = 6,444,362,145,045,954,560/2,989,968,405.20 - Step 6: Final answer
x = 2,155,327,840.20
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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.