Finding the Fourth Proportional to 623,437,771.84, 860,343,563.63 and 351,915,408.53
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Solution
The fourth proportional to 623,437,771.84, 860,343,563.63 and 351,915,408.53 is: 485,642,946.82
Step by Step Solution
- Step 1: Write the proportion equation
623,437,771.84 : 860,343,563.63 = 351,915,408.53 : x - Step 2: Convert to fraction form
623,437,771.84/860,343,563.63 = 351,915,408.53/x - Step 3: Cross multiply
623,437,771.84x = 860,343,563.63 × 351,915,408.53 - Step 4: Simplify right side
623,437,771.84x = 302,768,156,671,398,784 - Step 5: Solve for x
x = 302,768,156,671,398,784/623,437,771.84 - Step 6: Final answer
x = 485,642,946.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.