Finding the Fourth Proportional to 651,457,497.60, 977,186,246.40 and 580,031,827.20
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Solution
The fourth proportional to 651,457,497.60, 977,186,246.40 and 580,031,827.20 is: 870,047,740.80
Step by Step Solution
- Step 1: Write the proportion equation
651,457,497.60 : 977,186,246.40 = 580,031,827.20 : x - Step 2: Convert to fraction form
651,457,497.60/977,186,246.40 = 580,031,827.20/x - Step 3: Cross multiply
651,457,497.60x = 977,186,246.40 × 580,031,827.20 - Step 4: Simplify right side
651,457,497.60x = 566,799,124,014,101,440 - Step 5: Solve for x
x = 566,799,124,014,101,440/651,457,497.60 - Step 6: Final answer
x = 870,047,740.80
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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.