Finding the Fourth Proportional to 644,560,252,281.80, 889,495,913,509.48 and 351,591,559,598.97
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Solution
The fourth proportional to 644,560,252,281.80, 889,495,913,509.48 and 351,591,559,598.97 is: 485,197,860,681.89
Step by Step Solution
- Step 1: Write the proportion equation
644,560,252,281.80 : 889,495,913,509.48 = 351,591,559,598.97 : x - Step 2: Convert to fraction form
644,560,252,281.80/889,495,913,509.48 = 351,591,559,598.97/x - Step 3: Cross multiply
644,560,252,281.80x = 889,495,913,509.48 × 351,591,559,598.97 - Step 4: Simplify right side
644,560,252,281.80x = 312,739,255,487,708,595,748,864 - Step 5: Solve for x
x = 312,739,255,487,708,595,748,864/644,560,252,281.80 - Step 6: Final answer
x = 485,197,860,681.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.