Finding the Fourth Proportional to 403,352,318.40, 605,028,477.60 and 265,602,811.20
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Solution
The fourth proportional to 403,352,318.40, 605,028,477.60 and 265,602,811.20 is: 398,404,216.80
Step by Step Solution
- Step 1: Write the proportion equation
403,352,318.40 : 605,028,477.60 = 265,602,811.20 : x - Step 2: Convert to fraction form
403,352,318.40/605,028,477.60 = 265,602,811.20/x - Step 3: Cross multiply
403,352,318.40x = 605,028,477.60 × 265,602,811.20 - Step 4: Simplify right side
403,352,318.40x = 160,697,264,506,616,224 - Step 5: Solve for x
x = 160,697,264,506,616,224/403,352,318.40 - Step 6: Final answer
x = 398,404,216.80
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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.