Finding the Fourth Proportional to 7,208,213,221,725.60, 9,948,187,019,592 and 4,281,778,410,037.80
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Solution
The fourth proportional to 7,208,213,221,725.60, 9,948,187,019,592 and 4,281,778,410,037.80 is: 5,909,360,765,178.66
Step by Step Solution
- Step 1: Write the proportion equation
7,208,213,221,725.60 : 9,948,187,019,592 = 4,281,778,410,037.80 : x - Step 2: Convert to fraction form
7,208,213,221,725.60/9,948,187,019,592 = 4,281,778,410,037.80/x - Step 3: Cross multiply
7,208,213,221,725.60x = 9,948,187,019,592 × 4,281,778,410,037.80 - Step 4: Simplify right side
7,208,213,221,725.60x = 42,595,932,399,507,308,361,547,776 - Step 5: Solve for x
x = 42,595,932,399,507,308,361,547,776/7,208,213,221,725.60 - Step 6: Final answer
x = 5,909,360,765,178.66
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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.