Finding the Fourth Proportional to 785,922,434.29, 1,084,553,958.81 and 433,490,855.95
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Solution
The fourth proportional to 785,922,434.29, 1,084,553,958.81 and 433,490,855.95 is: 598,206,901.11
Step by Step Solution
- Step 1: Write the proportion equation
785,922,434.29 : 1,084,553,958.81 = 433,490,855.95 : x - Step 2: Convert to fraction form
785,922,434.29/1,084,553,958.81 = 433,490,855.95/x - Step 3: Cross multiply
785,922,434.29x = 1,084,553,958.81 × 433,490,855.95 - Step 4: Simplify right side
785,922,434.29x = 470,144,223,928,507,904 - Step 5: Solve for x
x = 470,144,223,928,507,904/785,922,434.29 - Step 6: Final answer
x = 598,206,901.11
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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.