Finding the Fourth Proportional to 77,630,434,599.73, 106,353,199,353.11 and 74,727,417,254.99
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Solution
The fourth proportional to 77,630,434,599.73, 106,353,199,353.11 and 74,727,417,254.99 is: 102,376,084,140.73
Step by Step Solution
- Step 1: Write the proportion equation
77,630,434,599.73 : 106,353,199,353.11 = 74,727,417,254.99 : x - Step 2: Convert to fraction form
77,630,434,599.73/106,353,199,353.11 = 74,727,417,254.99/x - Step 3: Cross multiply
77,630,434,599.73x = 106,353,199,353.11 × 74,727,417,254.99 - Step 4: Simplify right side
77,630,434,599.73x = 7,947,499,904,462,984,577,024 - Step 5: Solve for x
x = 7,947,499,904,462,984,577,024/77,630,434,599.73 - Step 6: Final answer
x = 102,376,084,140.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.