Finding the Fourth Proportional to 1,918,587,615.55, 2,877,881,423.33 and 1,102,294,239.55
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Solution
The fourth proportional to 1,918,587,615.55, 2,877,881,423.33 and 1,102,294,239.55 is: 1,653,441,359.33
Step by Step Solution
- Step 1: Write the proportion equation
1,918,587,615.55 : 2,877,881,423.33 = 1,102,294,239.55 : x - Step 2: Convert to fraction form
1,918,587,615.55/2,877,881,423.33 = 1,102,294,239.55/x - Step 3: Cross multiply
1,918,587,615.55x = 2,877,881,423.33 × 1,102,294,239.55 - Step 4: Simplify right side
1,918,587,615.55x = 3,172,272,115,044,613,632 - Step 5: Solve for x
x = 3,172,272,115,044,613,632/1,918,587,615.55 - Step 6: Final answer
x = 1,653,441,359.33
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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.