Finding the Fourth Proportional to 969,219,209.25, 1,454,251,686.66 and 339,403,306.01
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Solution
The fourth proportional to 969,219,209.25, 1,454,251,686.66 and 339,403,306.01 is: 509,253,041.53
Step by Step Solution
- Step 1: Write the proportion equation
969,219,209.25 : 1,454,251,686.66 = 339,403,306.01 : x - Step 2: Convert to fraction form
969,219,209.25/1,454,251,686.66 = 339,403,306.01/x - Step 3: Cross multiply
969,219,209.25x = 1,454,251,686.66 × 339,403,306.01 - Step 4: Simplify right side
969,219,209.25x = 493,577,830,224,064,576 - Step 5: Solve for x
x = 493,577,830,224,064,576/969,219,209.25 - Step 6: Final answer
x = 509,253,041.53
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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.