Finding the Fourth Proportional to 579,106,569.23, 867,932,817.62 and 313,201,681.50
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Solution
The fourth proportional to 579,106,569.23, 867,932,817.62 and 313,201,681.50 is: 469,409,314.89
Step by Step Solution
- Step 1: Write the proportion equation
579,106,569.23 : 867,932,817.62 = 313,201,681.50 : x - Step 2: Convert to fraction form
579,106,569.23/867,932,817.62 = 313,201,681.50/x - Step 3: Cross multiply
579,106,569.23x = 867,932,817.62 × 313,201,681.50 - Step 4: Simplify right side
579,106,569.23x = 271,838,017,908,399,808 - Step 5: Solve for x
x = 271,838,017,908,399,808/579,106,569.23 - Step 6: Final answer
x = 469,409,314.89
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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.