Finding the Fourth Proportional to 808,185,411.99, 1,115,212,237.47 and 596,604,578.13
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Solution
The fourth proportional to 808,185,411.99, 1,115,212,237.47 and 596,604,578.13 is: 823,252,581.14
Step by Step Solution
- Step 1: Write the proportion equation
808,185,411.99 : 1,115,212,237.47 = 596,604,578.13 : x - Step 2: Convert to fraction form
808,185,411.99/1,115,212,237.47 = 596,604,578.13/x - Step 3: Cross multiply
808,185,411.99x = 1,115,212,237.47 × 596,604,578.13 - Step 4: Simplify right side
808,185,411.99x = 665,340,726,461,202,688 - Step 5: Solve for x
x = 665,340,726,461,202,688/808,185,411.99 - Step 6: Final answer
x = 823,252,581.14
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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.