Finding the Fourth Proportional to 1,927,919,466.48, 2,660,584,983.96 and 1,092,516,259.44
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Solution
The fourth proportional to 1,927,919,466.48, 2,660,584,983.96 and 1,092,516,259.44 is: 1,507,704,240.32
Step by Step Solution
- Step 1: Write the proportion equation
1,927,919,466.48 : 2,660,584,983.96 = 1,092,516,259.44 : x - Step 2: Convert to fraction form
1,927,919,466.48/2,660,584,983.96 = 1,092,516,259.44/x - Step 3: Cross multiply
1,927,919,466.48x = 2,660,584,983.96 × 1,092,516,259.44 - Step 4: Simplify right side
1,927,919,466.48x = 2,906,732,354,598,211,584 - Step 5: Solve for x
x = 2,906,732,354,598,211,584/1,927,919,466.48 - Step 6: Final answer
x = 1,507,704,240.32
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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.