Finding the Fourth Proportional to 610,421,482.80, 915,688,211.40 and 201,478,532.40
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Solution
The fourth proportional to 610,421,482.80, 915,688,211.40 and 201,478,532.40 is: 302,236,277.99
Step by Step Solution
- Step 1: Write the proportion equation
610,421,482.80 : 915,688,211.40 = 201,478,532.40 : x - Step 2: Convert to fraction form
610,421,482.80/915,688,211.40 = 201,478,532.40/x - Step 3: Cross multiply
610,421,482.80x = 915,688,211.40 × 201,478,532.40 - Step 4: Simplify right side
610,421,482.80x = 184,491,516,968,852,960 - Step 5: Solve for x
x = 184,491,516,968,852,960/610,421,482.80 - Step 6: Final answer
x = 302,236,277.99
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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.