Finding the Fourth Proportional to 654,462,220.24, 903,157,235.40 and 361,106,802.64
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Solution
The fourth proportional to 654,462,220.24, 903,157,235.40 and 361,106,802.64 is: 498,327,040.84
Step by Step Solution
- Step 1: Write the proportion equation
654,462,220.24 : 903,157,235.40 = 361,106,802.64 : x - Step 2: Convert to fraction form
654,462,220.24/903,157,235.40 = 361,106,802.64/x - Step 3: Cross multiply
654,462,220.24x = 903,157,235.40 × 361,106,802.64 - Step 4: Simplify right side
654,462,220.24x = 326,136,221,556,475,776 - Step 5: Solve for x
x = 326,136,221,556,475,776/654,462,220.24 - Step 6: Final answer
x = 498,327,040.84
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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.