Finding the Fourth Proportional to 2,219,985,191,512.30, 3,329,331,777,466.80 and 859,838,539,967.85
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Solution
The fourth proportional to 2,219,985,191,512.30, 3,329,331,777,466.80 and 859,838,539,967.85 is: 1,289,507,599,217.59
Step by Step Solution
- Step 1: Write the proportion equation
2,219,985,191,512.30 : 3,329,331,777,466.80 = 859,838,539,967.85 : x - Step 2: Convert to fraction form
2,219,985,191,512.30/3,329,331,777,466.80 = 859,838,539,967.85/x - Step 3: Cross multiply
2,219,985,191,512.30x = 3,329,331,777,466.80 × 859,838,539,967.85 - Step 4: Simplify right side
2,219,985,191,512.30x = 2,862,687,774,605,619,811,581,952 - Step 5: Solve for x
x = 2,862,687,774,605,619,811,581,952/2,219,985,191,512.30 - Step 6: Final answer
x = 1,289,507,599,217.59
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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.