Finding the Fourth Proportional to 6,390,128,041.29, 8,818,207,539.29 and 3,570,759,134.55
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Solution
The fourth proportional to 6,390,128,041.29, 8,818,207,539.29 and 3,570,759,134.55 is: 4,927,553,081.53
Step by Step Solution
- Step 1: Write the proportion equation
6,390,128,041.29 : 8,818,207,539.29 = 3,570,759,134.55 : x - Step 2: Convert to fraction form
6,390,128,041.29/8,818,207,539.29 = 3,570,759,134.55/x - Step 3: Cross multiply
6,390,128,041.29x = 8,818,207,539.29 × 3,570,759,134.55 - Step 4: Simplify right side
6,390,128,041.29x = 31,487,695,121,259,593,728 - Step 5: Solve for x
x = 31,487,695,121,259,593,728/6,390,128,041.29 - Step 6: Final answer
x = 4,927,553,081.53
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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.