Finding the Fourth Proportional to 644,560,252,281.66, 889,495,913,509.28 and 351,591,559,598.84
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Solution
The fourth proportional to 644,560,252,281.66, 889,495,913,509.28 and 351,591,559,598.84 is: 485,197,860,681.71
Step by Step Solution
- Step 1: Write the proportion equation
644,560,252,281.66 : 889,495,913,509.28 = 351,591,559,598.84 : x - Step 2: Convert to fraction form
644,560,252,281.66/889,495,913,509.28 = 351,591,559,598.84/x - Step 3: Cross multiply
644,560,252,281.66x = 889,495,913,509.28 × 351,591,559,598.84 - Step 4: Simplify right side
644,560,252,281.66x = 312,739,255,487,522,704,195,584 - Step 5: Solve for x
x = 312,739,255,487,522,704,195,584/644,560,252,281.66 - Step 6: Final answer
x = 485,197,860,681.71
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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.