Finding the Fourth Proportional to 1,567,465,484.04, 2,163,101,732.19 and 862,617,463.02
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Solution
The fourth proportional to 1,567,465,484.04, 2,163,101,732.19 and 862,617,463.02 is: 1,190,411,749.08
Step by Step Solution
- Step 1: Write the proportion equation
1,567,465,484.04 : 2,163,101,732.19 = 862,617,463.02 : x - Step 2: Convert to fraction form
1,567,465,484.04/2,163,101,732.19 = 862,617,463.02/x - Step 3: Cross multiply
1,567,465,484.04x = 2,163,101,732.19 × 862,617,463.02 - Step 4: Simplify right side
1,567,465,484.04x = 1,865,929,328,475,905,280 - Step 5: Solve for x
x = 1,865,929,328,475,905,280/1,567,465,484.04 - Step 6: Final answer
x = 1,190,411,749.08
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1.5x scale
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.