Finding the Fourth Proportional to 1,705,616,726.40, 2,560,338,277.20 and 1,319,152,831.20
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Solution
The fourth proportional to 1,705,616,726.40, 2,560,338,277.20 and 1,319,152,831.20 is: 1,980,208,938.46
Step by Step Solution
- Step 1: Write the proportion equation
1,705,616,726.40 : 2,560,338,277.20 = 1,319,152,831.20 : x - Step 2: Convert to fraction form
1,705,616,726.40/2,560,338,277.20 = 1,319,152,831.20/x - Step 3: Cross multiply
1,705,616,726.40x = 2,560,338,277.20 × 1,319,152,831.20 - Step 4: Simplify right side
1,705,616,726.40x = 3,377,477,487,198,110,208 - Step 5: Solve for x
x = 3,377,477,487,198,110,208/1,705,616,726.40 - Step 6: Final answer
x = 1,980,208,938.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.