Finding the Fourth Proportional to 1,631,331,142.18, 2,251,506,966.04 and 962,439,718.18
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Solution
The fourth proportional to 1,631,331,142.18, 2,251,506,966.04 and 962,439,718.18 is: 1,328,326,097.53
Step by Step Solution
- Step 1: Write the proportion equation
1,631,331,142.18 : 2,251,506,966.04 = 962,439,718.18 : x - Step 2: Convert to fraction form
1,631,331,142.18/2,251,506,966.04 = 962,439,718.18/x - Step 3: Cross multiply
1,631,331,142.18x = 2,251,506,966.04 × 962,439,718.18 - Step 4: Simplify right side
1,631,331,142.18x = 2,166,939,729,875,844,352 - Step 5: Solve for x
x = 2,166,939,729,875,844,352/1,631,331,142.18 - Step 6: Final answer
x = 1,328,326,097.53
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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.