Finding the Fourth Proportional to 537,862,296.20, 742,242,423.80 and 299,717,517.96
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Solution
The fourth proportional to 537,862,296.20, 742,242,423.80 and 299,717,517.96 is: 413,605,970.45
Step by Step Solution
- Step 1: Write the proportion equation
537,862,296.20 : 742,242,423.80 = 299,717,517.96 : x - Step 2: Convert to fraction form
537,862,296.20/742,242,423.80 = 299,717,517.96/x - Step 3: Cross multiply
537,862,296.20x = 742,242,423.80 × 299,717,517.96 - Step 4: Simplify right side
537,862,296.20x = 222,463,056,984,451,808 - Step 5: Solve for x
x = 222,463,056,984,451,808/537,862,296.20 - Step 6: Final answer
x = 413,605,970.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.