Finding the Fourth Proportional to 613,772,808.13, 921,241,268.11 and 379,896,066.02
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Solution
The fourth proportional to 613,772,808.13, 921,241,268.11 and 379,896,066.02 is: 570,204,363.85
Step by Step Solution
- Step 1: Write the proportion equation
613,772,808.13 : 921,241,268.11 = 379,896,066.02 : x - Step 2: Convert to fraction form
613,772,808.13/921,241,268.11 = 379,896,066.02/x - Step 3: Cross multiply
613,772,808.13x = 921,241,268.11 × 379,896,066.02 - Step 4: Simplify right side
613,772,808.13x = 349,975,933,610,265,088 - Step 5: Solve for x
x = 349,975,933,610,265,088/613,772,808.13 - Step 6: Final answer
x = 570,204,363.85
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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.