Finding the Fourth Proportional to 425,618,733.06, 638,447,126.49 and 130,492,618.38
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Solution
The fourth proportional to 425,618,733.06, 638,447,126.49 and 130,492,618.38 is: 195,744,761.12
Step by Step Solution
- Step 1: Write the proportion equation
425,618,733.06 : 638,447,126.49 = 130,492,618.38 : x - Step 2: Convert to fraction form
425,618,733.06/638,447,126.49 = 130,492,618.38/x - Step 3: Cross multiply
425,618,733.06x = 638,447,126.49 × 130,492,618.38 - Step 4: Simplify right side
425,618,733.06x = 83,312,637,232,867,152 - Step 5: Solve for x
x = 83,312,637,232,867,152/425,618,733.06 - Step 6: Final answer
x = 195,744,761.12
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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.