Finding the Fourth Proportional to 651,483,981.99, 977,217,443.64 and 160,201,492.47
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Solution
The fourth proportional to 651,483,981.99, 977,217,443.64 and 160,201,492.47 is: 240,300,141.32
Step by Step Solution
- Step 1: Write the proportion equation
651,483,981.99 : 977,217,443.64 = 160,201,492.47 : x - Step 2: Convert to fraction form
651,483,981.99/977,217,443.64 = 160,201,492.47/x - Step 3: Cross multiply
651,483,981.99x = 977,217,443.64 × 160,201,492.47 - Step 4: Simplify right side
651,483,981.99x = 156,551,692,938,846,112 - Step 5: Solve for x
x = 156,551,692,938,846,112/651,483,981.99 - Step 6: Final answer
x = 240,300,141.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.