Finding the Fourth Proportional to 259,938,258.30, 390,056,686.65 and 98,496,056.70
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Solution
The fourth proportional to 259,938,258.30, 390,056,686.65 and 98,496,056.70 is: 147,800,657.65
Step by Step Solution
- Step 1: Write the proportion equation
259,938,258.30 : 390,056,686.65 = 98,496,056.70 : x - Step 2: Convert to fraction form
259,938,258.30/390,056,686.65 = 98,496,056.70/x - Step 3: Cross multiply
259,938,258.30x = 390,056,686.65 × 98,496,056.70 - Step 4: Simplify right side
259,938,258.30x = 38,419,045,524,492,528 - Step 5: Solve for x
x = 38,419,045,524,492,528/259,938,258.30 - Step 6: Final answer
x = 147,800,657.65
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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.