Finding the Fourth Proportional to 2,219,823,673.47, 3,063,239,558.46 and 1,267,166,559.74
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Solution
The fourth proportional to 2,219,823,673.47, 3,063,239,558.46 and 1,267,166,559.74 is: 1,748,623,000.70
Step by Step Solution
- Step 1: Write the proportion equation
2,219,823,673.47 : 3,063,239,558.46 = 1,267,166,559.74 : x - Step 2: Convert to fraction form
2,219,823,673.47/3,063,239,558.46 = 1,267,166,559.74/x - Step 3: Cross multiply
2,219,823,673.47x = 3,063,239,558.46 × 1,267,166,559.74 - Step 4: Simplify right side
2,219,823,673.47x = 3,881,634,732,937,918,464 - Step 5: Solve for x
x = 3,881,634,732,937,918,464/2,219,823,673.47 - Step 6: Final answer
x = 1,748,623,000.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.