Finding the Fourth Proportional to 2,196,484,557.96, 3,031,207,883.12 and 1,292,303,607.80
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Solution
The fourth proportional to 2,196,484,557.96, 3,031,207,883.12 and 1,292,303,607.80 is: 1,783,413,805.10
Step by Step Solution
- Step 1: Write the proportion equation
2,196,484,557.96 : 3,031,207,883.12 = 1,292,303,607.80 : x - Step 2: Convert to fraction form
2,196,484,557.96/3,031,207,883.12 = 1,292,303,607.80/x - Step 3: Cross multiply
2,196,484,557.96x = 3,031,207,883.12 × 1,292,303,607.80 - Step 4: Simplify right side
2,196,484,557.96x = 3,917,240,883,347,776,512 - Step 5: Solve for x
x = 3,917,240,883,347,776,512/2,196,484,557.96 - Step 6: Final answer
x = 1,783,413,805.10
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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.