Finding the Fourth Proportional to 517,610,637.08, 714,363,974.07 and 291,557,060.99
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Solution
The fourth proportional to 517,610,637.08, 714,363,974.07 and 291,557,060.99 is: 402,383,270.04
Step by Step Solution
- Step 1: Write the proportion equation
517,610,637.08 : 714,363,974.07 = 291,557,060.99 : x - Step 2: Convert to fraction form
517,610,637.08/714,363,974.07 = 291,557,060.99/x - Step 3: Cross multiply
517,610,637.08x = 714,363,974.07 × 291,557,060.99 - Step 4: Simplify right side
517,610,637.08x = 208,277,860,756,640,928 - Step 5: Solve for x
x = 208,277,860,756,640,928/517,610,637.08 - Step 6: Final answer
x = 402,383,270.04
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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.