Finding the Fourth Proportional to 70,467,342,985.68, 97,246,998,322.38 and 38,354,785,064.52
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Solution
The fourth proportional to 70,467,342,985.68, 97,246,998,322.38 and 38,354,785,064.52 is: 52,930,727,352.42
Step by Step Solution
- Step 1: Write the proportion equation
70,467,342,985.68 : 97,246,998,322.38 = 38,354,785,064.52 : x - Step 2: Convert to fraction form
70,467,342,985.68/97,246,998,322.38 = 38,354,785,064.52/x - Step 3: Cross multiply
70,467,342,985.68x = 97,246,998,322.38 × 38,354,785,064.52 - Step 4: Simplify right side
70,467,342,985.68x = 3,729,887,718,824,621,899,776 - Step 5: Solve for x
x = 3,729,887,718,824,621,899,776/70,467,342,985.68 - Step 6: Final answer
x = 52,930,727,352.42
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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.