Finding the Fourth Proportional to 749,159,979,866.70, 1,033,663,578,548.60 and 423,999,271,558.53
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Solution
The fourth proportional to 749,159,979,866.70, 1,033,663,578,548.60 and 423,999,271,558.53 is: 585,018,709,113.60
Step by Step Solution
- Step 1: Write the proportion equation
749,159,979,866.70 : 1,033,663,578,548.60 = 423,999,271,558.53 : x - Step 2: Convert to fraction form
749,159,979,866.70/1,033,663,578,548.60 = 423,999,271,558.53/x - Step 3: Cross multiply
749,159,979,866.70x = 1,033,663,578,548.60 × 423,999,271,558.53 - Step 4: Simplify right side
749,159,979,866.70x = 438,272,604,341,189,780,439,040 - Step 5: Solve for x
x = 438,272,604,341,189,780,439,040/749,159,979,866.70 - Step 6: Final answer
x = 585,018,709,113.60
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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.