Finding the Fourth Proportional to 1,439,757,659.95, 2,157,740,291.44 and 609,684,195.09
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Solution
The fourth proportional to 1,439,757,659.95, 2,157,740,291.44 and 609,684,195.09 is: 913,723,322.61
Step by Step Solution
- Step 1: Write the proportion equation
1,439,757,659.95 : 2,157,740,291.44 = 609,684,195.09 : x - Step 2: Convert to fraction form
1,439,757,659.95/2,157,740,291.44 = 609,684,195.09/x - Step 3: Cross multiply
1,439,757,659.95x = 2,157,740,291.44 × 609,684,195.09 - Step 4: Simplify right side
1,439,757,659.95x = 1,315,540,152,799,858,432 - Step 5: Solve for x
x = 1,315,540,152,799,858,432/1,439,757,659.95 - Step 6: Final answer
x = 913,723,322.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.