Finding the Fourth Proportional to 454,972,925.12, 682,478,809.86 and 178,684,017.08
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Solution
The fourth proportional to 454,972,925.12, 682,478,809.86 and 178,684,017.08 is: 268,033,653.40
Step by Step Solution
- Step 1: Write the proportion equation
454,972,925.12 : 682,478,809.86 = 178,684,017.08 : x - Step 2: Convert to fraction form
454,972,925.12/682,478,809.86 = 178,684,017.08/x - Step 3: Cross multiply
454,972,925.12x = 682,478,809.86 × 178,684,017.08 - Step 4: Simplify right side
454,972,925.12x = 121,948,055,317,762,320 - Step 5: Solve for x
x = 121,948,055,317,762,320/454,972,925.12 - Step 6: Final answer
x = 268,033,653.40
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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.