Finding the Fourth Proportional to 632,163,596,430.36, 872,363,191,266.28 and 357,803,358,304.58
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Solution
The fourth proportional to 632,163,596,430.36, 872,363,191,266.28 and 357,803,358,304.58 is: 493,755,858,861.39
Step by Step Solution
- Step 1: Write the proportion equation
632,163,596,430.36 : 872,363,191,266.28 = 357,803,358,304.58 : x - Step 2: Convert to fraction form
632,163,596,430.36/872,363,191,266.28 = 357,803,358,304.58/x - Step 3: Cross multiply
632,163,596,430.36x = 872,363,191,266.28 × 357,803,358,304.58 - Step 4: Simplify right side
632,163,596,430.36x = 312,134,479,496,375,665,950,720 - Step 5: Solve for x
x = 312,134,479,496,375,665,950,720/632,163,596,430.36 - Step 6: Final answer
x = 493,755,858,861.39
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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.