Finding the Fourth Proportional to 901,513,866.24, 1,352,731,993.92 and 429,347,473.92
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Solution
The fourth proportional to 901,513,866.24, 1,352,731,993.92 and 429,347,473.92 is: 644,240,855.55
Step by Step Solution
- Step 1: Write the proportion equation
901,513,866.24 : 1,352,731,993.92 = 429,347,473.92 : x - Step 2: Convert to fraction form
901,513,866.24/1,352,731,993.92 = 429,347,473.92/x - Step 3: Cross multiply
901,513,866.24x = 1,352,731,993.92 × 429,347,473.92 - Step 4: Simplify right side
901,513,866.24x = 580,792,064,480,316,800 - Step 5: Solve for x
x = 580,792,064,480,316,800/901,513,866.24 - Step 6: Final answer
x = 644,240,855.55
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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.