Finding the Fourth Proportional to 651,888,809.70, 977,833,214.55 and 445,264,548.90
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Solution
The fourth proportional to 651,888,809.70, 977,833,214.55 and 445,264,548.90 is: 667,896,823.35
Step by Step Solution
- Step 1: Write the proportion equation
651,888,809.70 : 977,833,214.55 = 445,264,548.90 : x - Step 2: Convert to fraction form
651,888,809.70/977,833,214.55 = 445,264,548.90/x - Step 3: Cross multiply
651,888,809.70x = 977,833,214.55 × 445,264,548.90 - Step 4: Simplify right side
651,888,809.70x = 435,394,465,176,042,624 - Step 5: Solve for x
x = 435,394,465,176,042,624/651,888,809.70 - Step 6: Final answer
x = 667,896,823.35
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1.5x scale
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.