Finding the Fourth Proportional to 319,129,449.08, 478,023,801.99 and 202,484,763.63
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Solution
The fourth proportional to 319,129,449.08, 478,023,801.99 and 202,484,763.63 is: 303,301,800.68
Step by Step Solution
- Step 1: Write the proportion equation
319,129,449.08 : 478,023,801.99 = 202,484,763.63 : x - Step 2: Convert to fraction form
319,129,449.08/478,023,801.99 = 202,484,763.63/x - Step 3: Cross multiply
319,129,449.08x = 478,023,801.99 × 202,484,763.63 - Step 4: Simplify right side
319,129,449.08x = 96,792,536,558,010,976 - Step 5: Solve for x
x = 96,792,536,558,010,976/319,129,449.08 - Step 6: Final answer
x = 303,301,800.68
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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.