Finding the Fourth Proportional to 692,660,368.36, 955,966,410.01 and 424,688,811.13
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Solution
The fourth proportional to 692,660,368.36, 955,966,410.01 and 424,688,811.13 is: 586,128,868.77
Step by Step Solution
- Step 1: Write the proportion equation
692,660,368.36 : 955,966,410.01 = 424,688,811.13 : x - Step 2: Convert to fraction form
692,660,368.36/955,966,410.01 = 424,688,811.13/x - Step 3: Cross multiply
692,660,368.36x = 955,966,410.01 × 424,688,811.13 - Step 4: Simplify right side
692,660,368.36x = 405,988,238,147,361,024 - Step 5: Solve for x
x = 405,988,238,147,361,024/692,660,368.36 - Step 6: Final answer
x = 586,128,868.77
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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.