Finding the Fourth Proportional to 1,560,128,644.02, 2,153,005,269.12 and 845,687,596.53
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Solution
The fourth proportional to 1,560,128,644.02, 2,153,005,269.12 and 845,687,596.53 is: 1,167,063,920.23
Step by Step Solution
- Step 1: Write the proportion equation
1,560,128,644.02 : 2,153,005,269.12 = 845,687,596.53 : x - Step 2: Convert to fraction form
1,560,128,644.02/2,153,005,269.12 = 845,687,596.53/x - Step 3: Cross multiply
1,560,128,644.02x = 2,153,005,269.12 × 845,687,596.53 - Step 4: Simplify right side
1,560,128,644.02x = 1,820,769,851,358,518,528 - Step 5: Solve for x
x = 1,820,769,851,358,518,528/1,560,128,644.02 - Step 6: Final answer
x = 1,167,063,920.23
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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.