Finding the Fourth Proportional to 833,239,749.68, 1,249,911,588 and 219,824,565.92
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Solution
The fourth proportional to 833,239,749.68, 1,249,911,588 and 219,824,565.92 is: 329,750,557.84
Step by Step Solution
- Step 1: Write the proportion equation
833,239,749.68 : 1,249,911,588 = 219,824,565.92 : x - Step 2: Convert to fraction form
833,239,749.68/1,249,911,588 = 219,824,565.92/x - Step 3: Cross multiply
833,239,749.68x = 1,249,911,588 × 219,824,565.92 - Step 4: Simplify right side
833,239,749.68x = 274,761,272,270,477,856 - Step 5: Solve for x
x = 274,761,272,270,477,856/833,239,749.68 - Step 6: Final answer
x = 329,750,557.84
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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.