Finding the Fourth Proportional to 492,811,707.01, 679,971,430.80 and 291,768,754.15
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Solution
The fourth proportional to 492,811,707.01, 679,971,430.80 and 291,768,754.15 is: 402,576,510.26
Step by Step Solution
- Step 1: Write the proportion equation
492,811,707.01 : 679,971,430.80 = 291,768,754.15 : x - Step 2: Convert to fraction form
492,811,707.01/679,971,430.80 = 291,768,754.15/x - Step 3: Cross multiply
492,811,707.01x = 679,971,430.80 × 291,768,754.15 - Step 4: Simplify right side
492,811,707.01x = 198,394,417,222,108,896 - Step 5: Solve for x
x = 198,394,417,222,108,896/492,811,707.01 - Step 6: Final answer
x = 402,576,510.26
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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.