Finding the Fourth Proportional to 8,959,348,719,509.40, 12,363,769,651,839 and 5,004,242,897,129.70
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Solution
The fourth proportional to 8,959,348,719,509.40, 12,363,769,651,839 and 5,004,242,897,129.70 is: 6,905,781,703,444.07
Step by Step Solution
- Step 1: Write the proportion equation
8,959,348,719,509.40 : 12,363,769,651,839 = 5,004,242,897,129.70 : x - Step 2: Convert to fraction form
8,959,348,719,509.40/12,363,769,651,839 = 5,004,242,897,129.70/x - Step 3: Cross multiply
8,959,348,719,509.40x = 12,363,769,651,839 × 5,004,242,897,129.70 - Step 4: Simplify right side
8,959,348,719,509.40x = 61,871,306,461,963,057,859,919,872 - Step 5: Solve for x
x = 61,871,306,461,963,057,859,919,872/8,959,348,719,509.40 - Step 6: Final answer
x = 6,905,781,703,444.07
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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.