Finding the Fourth Proportional to 2,378,619,587.10, 3,567,929,380.65 and 825,748,985.10
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Solution
The fourth proportional to 2,378,619,587.10, 3,567,929,380.65 and 825,748,985.10 is: 1,238,623,477.65
Step by Step Solution
- Step 1: Write the proportion equation
2,378,619,587.10 : 3,567,929,380.65 = 825,748,985.10 : x - Step 2: Convert to fraction form
2,378,619,587.10/3,567,929,380.65 = 825,748,985.10/x - Step 3: Cross multiply
2,378,619,587.10x = 3,567,929,380.65 × 825,748,985.10 - Step 4: Simplify right side
2,378,619,587.10x = 2,946,214,064,980,209,152 - Step 5: Solve for x
x = 2,946,214,064,980,209,152/2,378,619,587.10 - Step 6: Final answer
x = 1,238,623,477.65
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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.