Finding the Fourth Proportional to 1,346,319,588.54, 2,020,266,329.62 and 972,458,816.65
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Solution
The fourth proportional to 1,346,319,588.54, 2,020,266,329.62 and 972,458,816.65 is: 1,459,256,643.77
Step by Step Solution
- Step 1: Write the proportion equation
1,346,319,588.54 : 2,020,266,329.62 = 972,458,816.65 : x - Step 2: Convert to fraction form
1,346,319,588.54/2,020,266,329.62 = 972,458,816.65/x - Step 3: Cross multiply
1,346,319,588.54x = 2,020,266,329.62 × 972,458,816.65 - Step 4: Simplify right side
1,346,319,588.54x = 1,964,625,804,220,103,936 - Step 5: Solve for x
x = 1,964,625,804,220,103,936/1,346,319,588.54 - Step 6: Final answer
x = 1,459,256,643.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.