Finding the Fourth Proportional to 713,366,946.70, 1,070,050,420.05 and 325,946,457.70
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Solution
The fourth proportional to 713,366,946.70, 1,070,050,420.05 and 325,946,457.70 is: 488,919,686.55
Step by Step Solution
- Step 1: Write the proportion equation
713,366,946.70 : 1,070,050,420.05 = 325,946,457.70 : x - Step 2: Convert to fraction form
713,366,946.70/1,070,050,420.05 = 325,946,457.70/x - Step 3: Cross multiply
713,366,946.70x = 1,070,050,420.05 × 325,946,457.70 - Step 4: Simplify right side
713,366,946.70x = 348,779,143,975,694,528 - Step 5: Solve for x
x = 348,779,143,975,694,528/713,366,946.70 - Step 6: Final answer
x = 488,919,686.55
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Double scale
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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.