Finding the Fourth Proportional to 970,038,837.25, 1,455,179,264.88 and 379,752,828.53
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Solution
The fourth proportional to 970,038,837.25, 1,455,179,264.88 and 379,752,828.53 is: 569,676,615.65
Step by Step Solution
- Step 1: Write the proportion equation
970,038,837.25 : 1,455,179,264.88 = 379,752,828.53 : x - Step 2: Convert to fraction form
970,038,837.25/1,455,179,264.88 = 379,752,828.53/x - Step 3: Cross multiply
970,038,837.25x = 1,455,179,264.88 × 379,752,828.53 - Step 4: Simplify right side
970,038,837.25x = 552,608,441,847,705,088 - Step 5: Solve for x
x = 552,608,441,847,705,088/970,038,837.25 - Step 6: Final answer
x = 569,676,615.65
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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.