Finding the Fourth Proportional to 2,242,021,467.90, 3,094,083,621.74 and 1,289,402,949.41
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Solution
The fourth proportional to 2,242,021,467.90, 3,094,083,621.74 and 1,289,402,949.41 is: 1,779,430,127.99
Step by Step Solution
- Step 1: Write the proportion equation
2,242,021,467.90 : 3,094,083,621.74 = 1,289,402,949.41 : x - Step 2: Convert to fraction form
2,242,021,467.90/3,094,083,621.74 = 1,289,402,949.41/x - Step 3: Cross multiply
2,242,021,467.90x = 3,094,083,621.74 × 1,289,402,949.41 - Step 4: Simplify right side
2,242,021,467.90x = 3,989,520,547,570,813,440 - Step 5: Solve for x
x = 3,989,520,547,570,813,440/2,242,021,467.90 - Step 6: Final answer
x = 1,779,430,127.99
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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.