Finding the Fourth Proportional to 425,187,915.84, 586,759,319.28 and 229,617,627.84
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Solution
The fourth proportional to 425,187,915.84, 586,759,319.28 and 229,617,627.84 is: 316,872,323.95
Step by Step Solution
- Step 1: Write the proportion equation
425,187,915.84 : 586,759,319.28 = 229,617,627.84 : x - Step 2: Convert to fraction form
425,187,915.84/586,759,319.28 = 229,617,627.84/x - Step 3: Cross multiply
425,187,915.84x = 586,759,319.28 × 229,617,627.84 - Step 4: Simplify right side
425,187,915.84x = 134,730,283,006,086,768 - Step 5: Solve for x
x = 134,730,283,006,086,768/425,187,915.84 - Step 6: Final answer
x = 316,872,323.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.