Finding the Fourth Proportional to 14,645,723,267,865, 20,209,784,444,258 and 8,480,128,935,485.20
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Solution
The fourth proportional to 14,645,723,267,865, 20,209,784,444,258 and 8,480,128,935,485.20 is: 11,701,817,295,818.28
Step by Step Solution
- Step 1: Write the proportion equation
14,645,723,267,865 : 20,209,784,444,258 = 8,480,128,935,485.20 : x - Step 2: Convert to fraction form
14,645,723,267,865/20,209,784,444,258 = 8,480,128,935,485.20/x - Step 3: Cross multiply
14,645,723,267,865x = 20,209,784,444,258 × 8,480,128,935,485.20 - Step 4: Simplify right side
14,645,723,267,865x = 171,381,577,845,670,938,136,281,088 - Step 5: Solve for x
x = 171,381,577,845,670,938,136,281,088/14,645,723,267,865 - Step 6: Final answer
x = 11,701,817,295,818.28
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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.