Finding the Fourth Proportional to 539,877,739.02, 745,031,998.35 and 292,359,520.14
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Solution
The fourth proportional to 539,877,739.02, 745,031,998.35 and 292,359,520.14 is: 403,456,526.88
Step by Step Solution
- Step 1: Write the proportion equation
539,877,739.02 : 745,031,998.35 = 292,359,520.14 : x - Step 2: Convert to fraction form
539,877,739.02/745,031,998.35 = 292,359,520.14/x - Step 3: Cross multiply
539,877,739.02x = 745,031,998.35 × 292,359,520.14 - Step 4: Simplify right side
539,877,739.02x = 217,817,197,526,551,264 - Step 5: Solve for x
x = 217,817,197,526,551,264/539,877,739.02 - Step 6: Final answer
x = 403,456,526.88
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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.