Finding the Fourth Proportional to 464,919,145.80, 697,378,718.70 and 260,845,801.80
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Solution
The fourth proportional to 464,919,145.80, 697,378,718.70 and 260,845,801.80 is: 391,268,702.70
Step by Step Solution
- Step 1: Write the proportion equation
464,919,145.80 : 697,378,718.70 = 260,845,801.80 : x - Step 2: Convert to fraction form
464,919,145.80/697,378,718.70 = 260,845,801.80/x - Step 3: Cross multiply
464,919,145.80x = 697,378,718.70 × 260,845,801.80 - Step 4: Simplify right side
464,919,145.80x = 181,908,311,037,558,176 - Step 5: Solve for x
x = 181,908,311,037,558,176/464,919,145.80 - Step 6: Final answer
x = 391,268,702.70
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1.5x scale
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.