Finding the Fourth Proportional to 2,057,120,248.33, 2,838,777,656.59 and 1,210,402,413.63
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Solution
The fourth proportional to 2,057,120,248.33, 2,838,777,656.59 and 1,210,402,413.63 is: 1,670,326,919.43
Step by Step Solution
- Step 1: Write the proportion equation
2,057,120,248.33 : 2,838,777,656.59 = 1,210,402,413.63 : x - Step 2: Convert to fraction form
2,057,120,248.33/2,838,777,656.59 = 1,210,402,413.63/x - Step 3: Cross multiply
2,057,120,248.33x = 2,838,777,656.59 × 1,210,402,413.63 - Step 4: Simplify right side
2,057,120,248.33x = 3,436,063,327,289,399,808 - Step 5: Solve for x
x = 3,436,063,327,289,399,808/2,057,120,248.33 - Step 6: Final answer
x = 1,670,326,919.43
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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.