Finding the Fourth Proportional to 2,219,985,191,511.80, 3,329,331,777,466 and 859,838,539,967.36
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Solution
The fourth proportional to 2,219,985,191,511.80, 3,329,331,777,466 and 859,838,539,967.36 is: 1,289,507,599,216.83
Step by Step Solution
- Step 1: Write the proportion equation
2,219,985,191,511.80 : 3,329,331,777,466 = 859,838,539,967.36 : x - Step 2: Convert to fraction form
2,219,985,191,511.80/3,329,331,777,466 = 859,838,539,967.36/x - Step 3: Cross multiply
2,219,985,191,511.80x = 3,329,331,777,466 × 859,838,539,967.36 - Step 4: Simplify right side
2,219,985,191,511.80x = 2,862,687,774,603,301,066,113,024 - Step 5: Solve for x
x = 2,862,687,774,603,301,066,113,024/2,219,985,191,511.80 - Step 6: Final answer
x = 1,289,507,599,216.83
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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.