Finding the Fourth Proportional to 982,872,710.06, 1,474,516,123.04 and 318,834,879.99
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Solution
The fourth proportional to 982,872,710.06, 1,474,516,123.04 and 318,834,879.99 is: 478,319,487.69
Step by Step Solution
- Step 1: Write the proportion equation
982,872,710.06 : 1,474,516,123.04 = 318,834,879.99 : x - Step 2: Convert to fraction form
982,872,710.06/1,474,516,123.04 = 318,834,879.99/x - Step 3: Cross multiply
982,872,710.06x = 1,474,516,123.04 × 318,834,879.99 - Step 4: Simplify right side
982,872,710.06x = 470,127,171,133,575,552 - Step 5: Solve for x
x = 470,127,171,133,575,552/982,872,710.06 - Step 6: Final answer
x = 478,319,487.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.