Finding the Fourth Proportional to 614,847,903.40, 922,271,855.10 and 555,539,087.80
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Solution
The fourth proportional to 614,847,903.40, 922,271,855.10 and 555,539,087.80 is: 833,308,631.70
Step by Step Solution
- Step 1: Write the proportion equation
614,847,903.40 : 922,271,855.10 = 555,539,087.80 : x - Step 2: Convert to fraction form
614,847,903.40/922,271,855.10 = 555,539,087.80/x - Step 3: Cross multiply
614,847,903.40x = 922,271,855.10 × 555,539,087.80 - Step 4: Simplify right side
614,847,903.40x = 512,358,065,085,867,776 - Step 5: Solve for x
x = 512,358,065,085,867,776/614,847,903.40 - Step 6: Final answer
x = 833,308,631.70
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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.