Finding the Fourth Proportional to 785,565,331.41, 1,084,128,545.73 and 433,140,232.26
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Solution
The fourth proportional to 785,565,331.41, 1,084,128,545.73 and 433,140,232.26 is: 597,760,200.61
Step by Step Solution
- Step 1: Write the proportion equation
785,565,331.41 : 1,084,128,545.73 = 433,140,232.26 : x - Step 2: Convert to fraction form
785,565,331.41/1,084,128,545.73 = 433,140,232.26/x - Step 3: Cross multiply
785,565,331.41x = 1,084,128,545.73 × 433,140,232.26 - Step 4: Simplify right side
785,565,331.41x = 469,579,690,097,707,328 - Step 5: Solve for x
x = 469,579,690,097,707,328/785,565,331.41 - Step 6: Final answer
x = 597,760,200.61
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1.5x scale
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.