Finding the Fourth Proportional to 842,831,516,973.20, 1,163,108,354,227.30 and 457,455,942,276.52
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Solution
The fourth proportional to 842,831,516,973.20, 1,163,108,354,227.30 and 457,455,942,276.52 is: 631,289,667,552.45
Step by Step Solution
- Step 1: Write the proportion equation
842,831,516,973.20 : 1,163,108,354,227.30 = 457,455,942,276.52 : x - Step 2: Convert to fraction form
842,831,516,973.20/1,163,108,354,227.30 = 457,455,942,276.52/x - Step 3: Cross multiply
842,831,516,973.20x = 1,163,108,354,227.30 × 457,455,942,276.52 - Step 4: Simplify right side
842,831,516,973.20x = 532,070,828,152,741,991,284,736 - Step 5: Solve for x
x = 532,070,828,152,741,991,284,736/842,831,516,973.20 - Step 6: Final answer
x = 631,289,667,552.45
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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.