Finding the Fourth Proportional to 280,896,768.84, 420,885,037.98 and 149,599,644.24
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Solution
The fourth proportional to 280,896,768.84, 420,885,037.98 and 149,599,644.24 is: 224,154,418.75
Step by Step Solution
- Step 1: Write the proportion equation
280,896,768.84 : 420,885,037.98 = 149,599,644.24 : x - Step 2: Convert to fraction form
280,896,768.84/420,885,037.98 = 149,599,644.24/x - Step 3: Cross multiply
280,896,768.84x = 420,885,037.98 × 149,599,644.24 - Step 4: Simplify right side
280,896,768.84x = 62,964,251,947,746,896 - Step 5: Solve for x
x = 62,964,251,947,746,896/280,896,768.84 - Step 6: Final answer
x = 224,154,418.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.