Finding the Fourth Proportional to 1,043,252,330.40, 1,564,878,495.60 and 783,058,816.80
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Solution
The fourth proportional to 1,043,252,330.40, 1,564,878,495.60 and 783,058,816.80 is: 1,174,588,225.20
Step by Step Solution
- Step 1: Write the proportion equation
1,043,252,330.40 : 1,564,878,495.60 = 783,058,816.80 : x - Step 2: Convert to fraction form
1,043,252,330.40/1,564,878,495.60 = 783,058,816.80/x - Step 3: Cross multiply
1,043,252,330.40x = 1,564,878,495.60 × 783,058,816.80 - Step 4: Simplify right side
1,043,252,330.40x = 1,225,391,903,200,299,776 - Step 5: Solve for x
x = 1,225,391,903,200,299,776/1,043,252,330.40 - Step 6: Final answer
x = 1,174,588,225.20
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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.