Finding the Fourth Proportional to 1,220,224,584,311.30, 1,683,910,201,210.70 and 671,515,889,244.42
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Solution
The fourth proportional to 1,220,224,584,311.30, 1,683,910,201,210.70 and 671,515,889,244.42 is: 926,692,078,419.29
Step by Step Solution
- Step 1: Write the proportion equation
1,220,224,584,311.30 : 1,683,910,201,210.70 = 671,515,889,244.42 : x - Step 2: Convert to fraction form
1,220,224,584,311.30/1,683,910,201,210.70 = 671,515,889,244.42/x - Step 3: Cross multiply
1,220,224,584,311.30x = 1,683,910,201,210.70 × 671,515,889,244.42 - Step 4: Simplify right side
1,220,224,584,311.30x = 1,130,772,456,173,753,415,499,776 - Step 5: Solve for x
x = 1,130,772,456,173,753,415,499,776/1,220,224,584,311.30 - Step 6: Final answer
x = 926,692,078,419.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.