Finding the Fourth Proportional to 842,831,516,477.72, 1,163,108,353,542.70 and 457,455,941,779.70
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Solution
The fourth proportional to 842,831,516,477.72, 1,163,108,353,542.70 and 457,455,941,779.70 is: 631,289,666,866.39
Step by Step Solution
- Step 1: Write the proportion equation
842,831,516,477.72 : 1,163,108,353,542.70 = 457,455,941,779.70 : x - Step 2: Convert to fraction form
842,831,516,477.72/1,163,108,353,542.70 = 457,455,941,779.70/x - Step 3: Cross multiply
842,831,516,477.72x = 1,163,108,353,542.70 × 457,455,941,779.70 - Step 4: Simplify right side
842,831,516,477.72x = 532,070,827,261,712,102,588,416 - Step 5: Solve for x
x = 532,070,827,261,712,102,588,416/842,831,516,477.72 - Step 6: Final answer
x = 631,289,666,866.39
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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.