Finding the Fourth Proportional to 749,159,979,867.70, 1,033,663,578,550 and 423,999,271,559.53
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Solution
The fourth proportional to 749,159,979,867.70, 1,033,663,578,550 and 423,999,271,559.53 is: 585,018,709,114.99
Step by Step Solution
- Step 1: Write the proportion equation
749,159,979,867.70 : 1,033,663,578,550 = 423,999,271,559.53 : x - Step 2: Convert to fraction form
749,159,979,867.70/1,033,663,578,550 = 423,999,271,559.53/x - Step 3: Cross multiply
749,159,979,867.70x = 1,033,663,578,550 × 423,999,271,559.53 - Step 4: Simplify right side
749,159,979,867.70x = 438,272,604,342,817,036,173,312 - Step 5: Solve for x
x = 438,272,604,342,817,036,173,312/749,159,979,867.70 - Step 6: Final answer
x = 585,018,709,114.99
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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.