Finding the Fourth Proportional to 1,176,283,606.40, 1,764,803,323.20 and 788,544,252.80
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Solution
The fourth proportional to 1,176,283,606.40, 1,764,803,323.20 and 788,544,252.80 is: 1,183,069,720.82
Step by Step Solution
- Step 1: Write the proportion equation
1,176,283,606.40 : 1,764,803,323.20 = 788,544,252.80 : x - Step 2: Convert to fraction form
1,176,283,606.40/1,764,803,323.20 = 788,544,252.80/x - Step 3: Cross multiply
1,176,283,606.40x = 1,764,803,323.20 × 788,544,252.80 - Step 4: Simplify right side
1,176,283,606.40x = 1,391,625,517,831,700,736 - Step 5: Solve for x
x = 1,391,625,517,831,700,736/1,176,283,606.40 - Step 6: Final answer
x = 1,183,069,720.82
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1.5x scale
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.