Finding the Fourth Proportional to 636,049,248.99, 952,968,208.56 and 446,353,045.63
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Solution
The fourth proportional to 636,049,248.99, 952,968,208.56 and 446,353,045.63 is: 668,753,658.55
Step by Step Solution
- Step 1: Write the proportion equation
636,049,248.99 : 952,968,208.56 = 446,353,045.63 : x - Step 2: Convert to fraction form
636,049,248.99/952,968,208.56 = 446,353,045.63/x - Step 3: Cross multiply
636,049,248.99x = 952,968,208.56 × 446,353,045.63 - Step 4: Simplify right side
636,049,248.99x = 425,360,262,277,764,352 - Step 5: Solve for x
x = 425,360,262,277,764,352/636,049,248.99 - Step 6: Final answer
x = 668,753,658.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.