Finding the Fourth Proportional to 475,801,084.62, 713,698,748.10 and 258,830,331.84
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Solution
The fourth proportional to 475,801,084.62, 713,698,748.10 and 258,830,331.84 is: 388,243,931.71
Step by Step Solution
- Step 1: Write the proportion equation
475,801,084.62 : 713,698,748.10 = 258,830,331.84 : x - Step 2: Convert to fraction form
475,801,084.62/713,698,748.10 = 258,830,331.84/x - Step 3: Cross multiply
475,801,084.62x = 713,698,748.10 × 258,830,331.84 - Step 4: Simplify right side
475,801,084.62x = 184,726,883,804,515,584 - Step 5: Solve for x
x = 184,726,883,804,515,584/475,801,084.62 - Step 6: Final answer
x = 388,243,931.71
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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.