Finding the Fourth Proportional to 696,403,482.48, 961,036,773.50 and 383,130,970.41
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Solution
The fourth proportional to 696,403,482.48, 961,036,773.50 and 383,130,970.41 is: 528,720,721.37
Step by Step Solution
- Step 1: Write the proportion equation
696,403,482.48 : 961,036,773.50 = 383,130,970.41 : x - Step 2: Convert to fraction form
696,403,482.48/961,036,773.50 = 383,130,970.41/x - Step 3: Cross multiply
696,403,482.48x = 961,036,773.50 × 383,130,970.41 - Step 4: Simplify right side
696,403,482.48x = 368,202,951,624,029,504 - Step 5: Solve for x
x = 368,202,951,624,029,504/696,403,482.48 - Step 6: Final answer
x = 528,720,721.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.