Finding the Fourth Proportional to 787,251,585.40, 1,180,420,517.98 and 372,724,926.60
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Solution
The fourth proportional to 787,251,585.40, 1,180,420,517.98 and 372,724,926.60 is: 558,871,089.09
Step by Step Solution
- Step 1: Write the proportion equation
787,251,585.40 : 1,180,420,517.98 = 372,724,926.60 : x - Step 2: Convert to fraction form
787,251,585.40/1,180,420,517.98 = 372,724,926.60/x - Step 3: Cross multiply
787,251,585.40x = 1,180,420,517.98 × 372,724,926.60 - Step 4: Simplify right side
787,251,585.40x = 439,972,150,921,229,504 - Step 5: Solve for x
x = 439,972,150,921,229,504/787,251,585.40 - Step 6: Final answer
x = 558,871,089.09
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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.