Finding the Fourth Proportional to 288,495,110.84, 431,708,258.05 and 249,766,774.43
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Solution
The fourth proportional to 288,495,110.84, 431,708,258.05 and 249,766,774.43 is: 373,754,615.09
Step by Step Solution
- Step 1: Write the proportion equation
288,495,110.84 : 431,708,258.05 = 249,766,774.43 : x - Step 2: Convert to fraction form
288,495,110.84/431,708,258.05 = 249,766,774.43/x - Step 3: Cross multiply
288,495,110.84x = 431,708,258.05 × 249,766,774.43 - Step 4: Simplify right side
288,495,110.84x = 107,826,379,105,159,632 - Step 5: Solve for x
x = 107,826,379,105,159,632/288,495,110.84 - Step 6: Final answer
x = 373,754,615.09
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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.