Finding the Fourth Proportional to 1,165,671,657.20, 1,748,507,485.80 and 475,202,514.80
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Solution
The fourth proportional to 1,165,671,657.20, 1,748,507,485.80 and 475,202,514.80 is: 712,803,772.20
Step by Step Solution
- Step 1: Write the proportion equation
1,165,671,657.20 : 1,748,507,485.80 = 475,202,514.80 : x - Step 2: Convert to fraction form
1,165,671,657.20/1,748,507,485.80 = 475,202,514.80/x - Step 3: Cross multiply
1,165,671,657.20x = 1,748,507,485.80 × 475,202,514.80 - Step 4: Simplify right side
1,165,671,657.20x = 830,895,154,398,785,280 - Step 5: Solve for x
x = 830,895,154,398,785,280/1,165,671,657.20 - Step 6: Final answer
x = 712,803,772.20
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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.