Finding the Fourth Proportional to 435,668,869.20, 652,607,508.60 and 299,507,998.80
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Solution
The fourth proportional to 435,668,869.20, 652,607,508.60 and 299,507,998.80 is: 448,646,168.50
Step by Step Solution
- Step 1: Write the proportion equation
435,668,869.20 : 652,607,508.60 = 299,507,998.80 : x - Step 2: Convert to fraction form
435,668,869.20/652,607,508.60 = 299,507,998.80/x - Step 3: Cross multiply
435,668,869.20x = 652,607,508.60 × 299,507,998.80 - Step 4: Simplify right side
435,668,869.20x = 195,461,168,902,639,808 - Step 5: Solve for x
x = 195,461,168,902,639,808/435,668,869.20 - Step 6: Final answer
x = 448,646,168.50
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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.