Finding the Fourth Proportional to 15,337,854,057.28, 21,166,031,649.36 and 8,563,776,980.08
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Solution
The fourth proportional to 15,337,854,057.28, 21,166,031,649.36 and 8,563,776,980.08 is: 11,817,896,683.69
Step by Step Solution
- Step 1: Write the proportion equation
15,337,854,057.28 : 21,166,031,649.36 = 8,563,776,980.08 : x - Step 2: Convert to fraction form
15,337,854,057.28/21,166,031,649.36 = 8,563,776,980.08/x - Step 3: Cross multiply
15,337,854,057.28x = 21,166,031,649.36 × 8,563,776,980.08 - Step 4: Simplify right side
15,337,854,057.28x = 181,261,174,598,433,898,496 - Step 5: Solve for x
x = 181,261,174,598,433,898,496/15,337,854,057.28 - Step 6: Final answer
x = 11,817,896,683.69
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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.