Finding the Fourth Proportional to 1,418,409,922.80, 2,125,823,293.80 and 689,829,826.80
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Solution
The fourth proportional to 1,418,409,922.80, 2,125,823,293.80 and 689,829,826.80 is: 1,033,873,417.69
Step by Step Solution
- Step 1: Write the proportion equation
1,418,409,922.80 : 2,125,823,293.80 = 689,829,826.80 : x - Step 2: Convert to fraction form
1,418,409,922.80/2,125,823,293.80 = 689,829,826.80/x - Step 3: Cross multiply
1,418,409,922.80x = 2,125,823,293.80 × 689,829,826.80 - Step 4: Simplify right side
1,418,409,922.80x = 1,466,456,314,569,459,456 - Step 5: Solve for x
x = 1,466,456,314,569,459,456/1,418,409,922.80 - Step 6: Final answer
x = 1,033,873,417.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.